Country code top-level domain
A country code top-level domain (ccTLD) is an internet top-level domain generally used or reserved for a country, sovereign state, or dependent territory identified with a country code. All ASCII ccTLD identifiers are two letters long, and all two-letter top-level domains are ccTLDs.
Country code extension applications began in 1985. The registered country code extensions in that year included .il (Israel), .uk (United Kingdom) and .us (United States). The registered country code extensions in 1986 included .au (Australia), .de (Germany), .fi (Finland), .fr (France), .is (Iceland), .jp (Japan), .kr (South Korea), .nl (Netherlands) and .se (Sweden). The registered country code extensions in 1987 included .ar (Argentina), .ca (Canada), .ch (Switzerland), .cl (Chile), .dk (Denmark), .my (Malaysia), .nz (New Zealand) and .no (Norway).[1] The registered country code extensions in 1988 included .at (Austria), .be (Belgium), .es (Spain), .ie (Ireland), .it (Italy), .pt (Portugal), .sg (Singapore) and .th (Thailand). The registered country code extensions in 1989 included .br (Brazil), .in (India), .mx (Mexico) and .tw (Taiwan). In the 1990s, .ae (United Arab Emirates), .cn (People's Republic of China), .cz (Czech Republic), .hk (Hong Kong), .pl (Poland), .ru (Russian Federation), .tr (Turkey) and .za (South Africa) were first registered.
In 2018, the Internet Assigned Numbers Authority (IANA) began implementing internationalized country code top-level domains, consisting of language-native characters when displayed in an end-user application. Creation and delegation of ccTLDs is described in RFC 1591, corresponding to ISO 3166-1 alpha-2 country codes. While gTLDs have to obey international regulations, ccTLDs are subjected to requirements that are determined by each country's domain name regulation corporation. With over 150 million domain name registrations in 2020, ccTLDs make up about 40% of the total domain name industry.[2]
By the late 2010s, ccTLDs were widely used across the web, including on sites built with hosted website builders and domain services such as Wix, IONOS and Bluehost, which support registering or connecting a range of domain extensions, including country-code domains.[3][4][5]
There are over 300 delegated ccTLDs. The .cn, .tk, .de, .uk, .nl and .ru ccTLDs contain the highest number of domains.[6][7] The top ten ccTLDs account for more than five-eighths of registered ccTLD domains.[6] There were about 153 million ccTLD domains registered at the end of March 2022.[8]
Delegation and management
IANA is responsible for determining an appropriate trustee for each ccTLD. Administration and control are then delegated to that trustee, which is responsible for the policies and operation of the domain. The current delegation can be determined from IANA's list of ccTLDs.[9] Individual ccTLDs may have varying requirements and fees for registering subdomains. There may be a local-presence requirement (for instance, citizenship or other connection to the ccTLD), as, for example, the United States (us), Japanese (jp), Canadian (ca), French (fr) and German (de) domains, or registration may be open.
Lists
As of 20 May 2017, there were 255 country-code top-level domains, purely in the Latin alphabet, using two-character codes. The number was 316 as of June 2020[update], with the addition of internationalized domains.[10]
Latin Character ccTLDs
Name[11]
|
Entity | Explanation | Year
Registered |
Notes | Registry[11] | IDN | DNSSEC | SLD | IPv6 | |
|---|---|---|---|---|---|---|---|---|---|---|
| .ac | File:Flag of Ascension Island.svg Ascension Island (United Kingdom) | Ascension Island | Commonly used for academic websites, such as universities. However, .ac is not to be confused with the official academic domains used by several countries such as the United Kingdom (.ac.uk), India (.ac.in) or Indonesia (.ac.id). Also used in the accounting, consulting, and air-conditioning industries.
|
Ascension Island Network Information Centre (run by Internet Computer Bureau) | Yes | Yes | Yes | Yes | ||
| .ad | File:Flag of Andorra.svg Andorra | Andorra | Local trademark, trade name or citizenship required.[12][13] TLD commonly used for advertisement based websites. | Nic.ad | No | Yes | Yes | |||
| .ae | File:Flag of the United Arab Emirates.svg United Arab Emirates | United Arab Emirates | 1990+ | .aeDA | No | No | Yes | |||
| .af | File:Flag of the Taliban.svg Afghanistan | Afghanistan | No | Yes | Yes | |||||
| .ag | File:Flag of Antigua and Barbuda.svg Antigua and Barbuda | Antigua and Barbuda | Also unofficially used by German businesses (where AG is an abbreviation of Aktiengesellschaft). | No | Yes | Yes | ||||
| .ai | File:Flag of Anguilla.svg Anguilla (United Kingdom) | Anguilla | Also unofficially used by tech companies specializing in AI (Artificial Intelligence). | No | Yes | Yes | ||||
| .al | File:Flag of Albania.svg Albania | Albania | Citizenship no longer required. | No | Yes | Yes | ||||
| .am | File:Flag of Armenia.svg Armenia | Armenia | Also unofficially used by AM radio stations, podcasts or related business. | No | Yes | Yes | Yes | |||
| .an | File:Flag of the Netherlands Antilles (1986–2010).svg Netherlands Antilles (Kingdom of the Netherlands) | Nederlandse Antillen | Restricted to registered Dutch companies, organisations and citizens | No | Yes | Yes | Yes | |||
| .ao | File:Flag of Angola.svg Angola | Angola | No | No | Unknown | |||||
| .aq | File:Blank flag.svg Antarctica | Antarctique | Defined by the Antarctic Treaty as everything south of latitude 60°S. AQ domain names are available to government organizations who are signatories to the Antarctic Treaty and to other registrants who have a physical presence in Antarctica. Domain names can be registered and renewed free of charge. | ? | No | Yes | ? | |||
| .ar | File:Flag of Argentina.svg Argentina | Argentina | 1987 | nic.ar | Spanish[A] | Yes | Yes | Yes | ||
| .as | File:Flag of American Samoa.svg American Samoa (United States) | American Samoa | In some countries, like Norway and Denmark, "AS" or "A/S" is used as an abbreviation for stock-based or limited companies. Such companies will often make use of the domain. Also unofficially used by the Principality of Asturias, Spain. Also used for the short URLs of McDonald's in Australia (e.g. food service feedback form "macc.as/feedback"), after the colloquial name "Maccas" used in the region.[15] | Yes | Yes | Yes | ||||
| .at | File:Flag of Austria.svg Austria | Austria | 1988 | Nic.at | Yes[B] | Yes | Yes | Yes | ||
| .au | File:Flag of Australia (converted).svg Australia | Australia | 1986 | Restrictions apply. In general, registrants must have an "Australian presence", and can be registered anywhere between 1 and 5 years.[17] Includes Ashmore and Cartier Islands and Coral Sea Islands. Direct second-level domain registration (marketed as ".au Direct") has been made available commencing 24 March 2022.[18] | auDA | No | Yes | Yes (*From 24 Mar 2022)[18] | Yes | |
| .aw | File:Flag of Aruba.svg Aruba (Kingdom of the Netherlands) | Aruba, West Indies | Restricted to registered Aruban companies, organisations and citizens | No | Yes | Yes | ||||
| .ax | File:Flag of Åland.svg Åland (Finland) | .al and .ad already allocated
|
No | Yes | Yes | |||||
| .az | File:Flag of Azerbaijan.svg Azerbaijan | Azerbaijan | Only for Residents. Has no WHOIS-Server. | No | Yes | Yes | Yes | |||
| .ba | File:Flag of Bosnia and Herzegovina.svg Bosnia and Herzegovina | Bosnia and Herzegovina | University of Sarajevo - University tele-informatic Centre | No | No | Yes | ||||
| .bb | File:Flag of Barbados.svg Barbados | Barbados | No | No | Yes | |||||
| .bd | File:Flag of Bangladesh.svg Bangladesh | Bangladesh | For individuals, registrant must have a valid NID. For companies, registrant must have company or trademark registered in Bangladesh. | Yes | Yes [19] |
Yes | Yes | |||
| .be | File:Flag of Belgium (civil).svg Belgium | Belgium | 1988 | Used for YouTube-related domains. Also unofficially used in the Canton of Bern, Switzerland. | DNS Belgium | Latin [20] |
Yes | Yes | Yes [21] | |
| .bf | File:Flag of Burkina Faso.svg Burkina Faso | Burkina Faso | No | No | Yes | |||||
| .bg | File:Flag of Bulgaria.svg Bulgaria | Bulgaria | See also .бг (.bg in Cyrillic) for IDN ccTLD
|
Yes | Yes | Yes | ||||
| .bh | File:Flag of Bahrain.svg Bahrain | Bahrain | No | Yes | Yes | |||||
| .bi | File:Flag of Burundi.svg Burundi | Burundi | No | Yes | Yes | |||||
| .bj | File:Flag of Benin.svg Benin | .be, .bn, and .bi already allocated
|
No | Yes | Yes | |||||
| .bl | File:Flag of France.svg Saint Barthélemy (France) | Saint Barthélemy | No | No | ||||||
| .bm | File:Flag of Bermuda.svg Bermuda (United Kingdom) | Bermuda | Local corporate registration required | No | Yes | Yes | ||||
| .bn | File:Flag of Brunei.svg Brunei | Brunei | No | Yes | No | |||||
| .bo | File:Flag of Bolivia.svg Bolivia | Bolivia | No | No | Yes | |||||
| .bq | File:Flag of the Netherlands.svg Caribbean Netherlands (File:Flag of Bonaire.svg Bonaire, File:Flag of Saba.svg Saba, and File:Flag of Sint Eustatius.svg Sint Eustatius) | .be and .bs already allocated
|
||||||||
| .br | File:Flag of Brazil.svg Brazil | Brasil | 1989 | Restricted. Registration is done under several categories (i.e.: .edu.br for higher education institutions, .gov.br for government agencies, etc.).[22]
|
Yes [23] |
Yes | No[C] | |||
| .bs | File:Flag of the Bahamas.svg Bahamas | Bahamas | No | No | Yes | |||||
| .bt | File:Flag of Bhutan.svg Bhutan | Bhutan | Must have local presence in Bhutan, and valid trade license[24] | No | Yes | No | ||||
| .bu | File:Flag of Myanmar.svg Burma | Burma | No | No | ||||||
| .bv | File:Flag of Norway.svg Bouvet Island | Bouvet | 1987 | Norid | Yes | Yes | Yes | Yes | ||
| .bw | File:Flag of Botswana.svg Botswana | Botswana | May also be used for the Province of Walloon Brabant, Wallonia, Belgium | No | Yes [25] |
Yes | ||||
| .by | File:Flag of Belarus.svg Belarus | Byelorussia | Also unofficially used to denote Bayern (Bavaria), Germany | No | Yes | Yes | ||||
| .bz | File:Flag of Belize.svg Belize | Belize | Also unofficially used in the province of Bozen (or South Tyrol, see .st) | No | Yes | Yes | ||||
| .ca | File:Flag of Canada (Pantone).svg Canada | Canada | 1987 | Subject to Canadian Presence Requirements. Also unofficially used by some websites in the U.S. state of California. | CIRA | French [26] |
Yes | Yes | Yes | |
| .cc | File:Copyrighted flag.svg Cocos (Keeling) Islands | Cocos Islands | Australian territory: not to be confused with Cocos Island in Guam. Currently marketed as global domain, registration allowed worldwide, local presence not required; the domain is currently operated by eNIC, a VeriSign company. | Yes | Yes | Yes | ||||
| .cd | File:Flag of the Democratic Republic of the Congo.svg Democratic Republic of the Congo | Congo, Democratic Republic | Also unofficially used for Compact disc-related domains. | No | No | Yes | ||||
| .cf | File:Flag of the Central African Republic.svg Central African Republic | Central African Republic | Also used as a free domain service to the public. | Freenom (for free domains) | Yes | No | Yes | |||
| .cg | File:Flag of the Republic of the Congo.svg Republic of the Congo | Congo | No | No | Yes | |||||
| .ch | File:Flag of Switzerland (Pantone).svg Switzerland | Confoederatio Helvetica | 1987 | SWITCH | Yes[D] | Yes | Yes | |||
| .ci | File:Flag of Côte d'Ivoire.svg Ivory Coast | Côte d'Ivoire | No | Yes | Yes | |||||
| .ck | File:Flag of the Cook Islands.svg Cook Islands | Cook Islands | No | No | Yes | |||||
| .cl | File:Flag of Chile.svg Chile | Chile | 1987 | NIC Chile | Yes | Yes | Yes | Yes | ||
| .cm | File:Flag of Cameroon.svg Cameroon | Cameroon | A local entity / company in Cameroon is required to register a domain name. | No | Yes | Yes | ||||
| .cn | File:Flag of the People's Republic of China.svg People's Republic of China | China | 1990+ | A local company in China is required to register a domain name, or for personal registrations a valid Resident Identity Card. See ICP license for more information regarding registrations. Hong Kong and Macau also maintain TLDs.
Also unofficially used for Cartoon Network-related domains. |
CNNIC | Yes | Yes | Yes | Yes | |
| .co | File:Flag of Colombia.svg Colombia | Colombia | Marketed as a global domain. Anyone can register. | No | Yes | Yes | ||||
| .cp | File:Flag of France.svg Clipperton Island (France) | Clipperton | With Clipperton Island | No | Yes | |||||
| .cq | File:Flag of Sark (bordered).svg Sark | Cerq | No | No | Yes | |||||
| .cr | File:Flag of Costa Rica.svg Costa Rica | Costa Rica | No | Yes | Yes | |||||
| .cs | File:Flag of Yugoslavia (1992–2003); Flag of Serbia and Montenegro (2003–2006).svg Serbia and Montenegro / File:Flag of the Czech Republic.svg Czechoslovakia | Crna Gora, Srbija / Československo | Still in use. Also unofficially used by Student Unions. | Yes[E] | Yes | Yes | Yes | |||
| .cu | File:Flag of Cuba.svg Cuba | Cuba | No | No | Yes | |||||
| .cv | File:Flag of Cape Verde (10-17).svg Cape Verde | Cape Verde | Also unofficially used for curriculum vitae-related domains. | No | No | Yes | ||||
| .cw | File:Flag of Curaçao.svg Curaçao (Kingdom of the Netherlands) | Curaçao, West Indies | No | Unknown | ||||||
| .cx | File:Flag of Christmas Island.svg Christmas Island | Christmas Xmas | Made infamous from Goatse.cx | No | Yes | Yes | ||||
| .cy | File:Flag of Cyprus.svg Cyprus | Cyprus | No | Yes | Yes | |||||
| .cz | File:Flag of the Czech Republic.svg Czech Republic | Czechia | 1990+ | No[F] | Yes | Yes | ||||
| .de | File:Flag of Germany.svg Germany | Deutschland (The native name for Germany) | 1986 | German postal address for administrative contact (admin-c) required. Proxy registrations are allowed. | DENIC | Yes[G] | Yes | Yes | Yes | |
| .dg | Template:Country data Diego Garcia (United Kingdom) | Diego Garcia | Yes | Yes | Yes | |||||
| .dj | File:Flag of Djibouti.svg Djibouti | Djibouti | Also unofficially used by disc jockeys. | No | No | Yes | ||||
| .dk | File:Flag of Denmark.svg Denmark | Danmark | 1987 | DK Hostmaster | Yes[H] | Yes | Yes | Yes | ||
| .dm | File:Flag of Dominica.svg Dominica | Dominica | No | Yes | Yes | |||||
| .do | File:Flag of the Dominican Republic.svg Dominican Republic | Dominican | No | No | Yes | |||||
| .dz | File:Flag of Algeria.svg Algeria | El Djazair / Dzayer | No | Yes | Yes | |||||
| .ec | File:Flag of Ecuador.svg Ecuador | Ecuador | In Japan, "EC" is used as an acronym for "electronic commerce". Because of that, it's used unofficially by companies dedicated to provide online stores like BASE, a company that has two domains related to e-commerce: "base.in" and "official.ec".[31] | Nic.ec | No | Yes | Yes | |||
| .ee | File:Flag of Estonia.svg Estonia | Eesti | Yes[I] | Yes | Yes | |||||
| .eg | File:Flag of Egypt.svg Egypt | Egypt | No | No | Yes | |||||
| .eh | File:Flag of the Sahrawi Arab Democratic Republic.svg Western Sahara | Español Sahara | Unassigned | No | No | No | ||||
| .er | File:Flag of Eritrea.svg Eritrea | Eritrea | Yes | Yes | ||||||
| .es | File:Flag of Spain.svg Spain | España | 1988 | Red.es | Yes [33] |
Yes | Yes | |||
| .et | File:Flag of Ethiopia.svg Ethiopia | Ethiopia | No | Yes | No | |||||
| .eu | File:Flag of Europe.svg European Union | European Union | Restricted to legal and natural persons in European Union member states. Previously unofficially used for sites in the Basque language, but now .eus is in official use. | EURid | Yes[J] | Yes | Yes | Yes [35] | ||
| .fi | File:Flag of Finland.svg Finland | Finland | 1986 | Registration allowed worldwide, local presence not required. | TRAFICOM[36] | Yes[K] | Yes | Yes | Yes | |
| .fj | File:Flag of Fiji.svg Fiji | Fiji | No | Yes | Yes | |||||
| .fk | File:Flag of the Falkland Islands.svg Falkland Islands (United Kingdom) | Falkland | No | No | No | |||||
| .fl | Template:Country data Principality of Liechtenstein | Fürstentum Liechtenstein | No | No | No | |||||
| .fm | File:Flag of the Federated States of Micronesia.svg Federated States of Micronesia | Federated States of Micronesia | Also unofficially used by FM radio stations, podcasts or related business. | Yes | Yes | Yes | ||||
| .fo | File:Flag of the Faroe Islands.svg Faroe Islands (Kingdom of Denmark) | Føroyar | FO Council | No | Yes | Yes | ||||
| .fr | File:Flag of France.svg France | France | 1986 | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland and Liechtenstein.[L] | AFNIC | Yes [39] |
Yes | Yes | ||
| .fx | Template:Country data Metropolitan France | .fr, .mf, and .tr already allocated
|
1986 | Yes | Yes | |||||
| .ga | File:Flag of Gabon.svg Gabon | Gabon | Yes | Yes | Yes | |||||
| .gb | File:Flag of the United Kingdom.svg Great Britain | Great Britain[40] | Yes | Yes | Yes | |||||
| .gd | File:Flag of Grenada.svg Grenada | Grenada | No | Yes | Yes | |||||
| .ge | File:Flag of Georgia.svg Georgia | Georgia | Available for registration for resident and non-resident natural person or legal entity.[41] | No | Yes | Yes | ||||
| .gf | File:Flag of France.svg French Guiana (France) | Guyane Française | No | No | ||||||
| .gg | File:Flag of Guernsey.svg Guernsey | .gu, .gs, and .gy already allocated
|
Also unofficially used by video game-related websites (see GG (gaming)) | Island Networks Ltd. | Yes | Yes | Yes | |||
| .gh | File:Flag of Ghana.svg Ghana | Ghana | No | No | No | |||||
| .gi | File:Flag of Gibraltar.svg Gibraltar (United Kingdom) | Gibraltar | No | Yes | Yes | |||||
| .gl | File:Flag of Greenland.svg Greenland (Kingdom of Denmark) | Greenland | Previously also unofficially used in Galicia, Spain, but now .gal has been approved for such use and was implemented in mid-2014 | No | Yes | Yes | ||||
| .gm | File:Flag of The Gambia.svg The Gambia | Gambia | Domain name should match the domain owner's name or trademarks. Common nouns are blocked. | No | No | Yes | ||||
| .gn | File:Flag of Guinea.svg Guinea | Guinea | A local contact is required | No | Yes | No | ||||
| .gp | File:Flag of Guadeloupe (local).svg Guadeloupe (France) | Guadeloupe | Still used for Saint-Barthélemy and Saint-Martin | No | No | Yes | ||||
| .gq | File:Flag of Equatorial Guinea.svg Equatorial Guinea | Guinée équatoriale | Also used as a free domain service to the public. | Yes | No | |||||
| .gr | File:Flag of Greece.svg Greece | Greece | Yes[M] | Yes | Yes | |||||
| .gs | File:Flag of South Georgia and the South Sandwich Islands.svg South Georgia and the South Sandwich Islands (United Kingdom) | South Georgia and the South Sandwich Islands | No | Yes | Yes | |||||
| .gt | File:Flag of Guatemala.svg Guatemala | Guatemala | Yes | No | Yes | Yes | ||||
| .gu | File:Flag of Guam.svg Guam (United States) | Guam | No | No | No | |||||
| .gw | File:Flag of Guinea-Bissau.svg Guinea-Bissau | Gine-Bisaawo | No | Yes | Yes | |||||
| .gy | File:Flag of Guyana.svg Guyana | Guyana | No | Yes | Yes | |||||
| .hk | File:Flag of Hong Kong.svg Hong Kong | Hong Kong | 1990+ | Hong Kong Internet Registration Corporation Ltd. | Yes | Yes | Yes | Yes | ||
| .hm | File:Flag of Australia (converted).svg Heard Island and McDonald Islands | Heard Island and McDonald Islands | Unused for its intended purposes (islands are uninhabited and government sites instead use .aq); registry open to the public. | No | No | Yes | ||||
| .hn | File:Flag of Honduras (1949–2022, 2026–present).svg Honduras | Honduras | No | Yes | Yes | |||||
| .hr | File:Flag of Croatia.svg Croatia | Hrvatska | No | Yes | Yes | |||||
| .ht | File:Flag of Haiti.svg Haiti | Haiti | Yes | No | Yes | |||||
| .hu | File:Flag of Hungary.svg Hungary | Hungary | Citizens of the European Union or entities established by law within the territory of the EU | Yes [43] |
Yes | Yes | ||||
| .ic | File:Flag of the Canary Islands.svg Canary Islands | Las Islas Canarias | 1988 | Yes | Yes | Yes | ||||
| .id | File:Flag of Indonesia.svg Indonesia | Indonesia | Restricted to Indonesian companies (co.id), organisations (or.id), academic (ac.id & sch.id) and citizens (biz.id, my.id & web.id). Second-level domains are becoming available now and opened to general registration on 17 August 2014.[44]
|
PANDI | Yes | Yes | Yes | |||
| .ie | File:Flag of Ireland.svg Ireland | Ireland | 1988 | In 2002, registration was expanded to include persons or businesses with a "real and substantive" connection with the island of Ireland (including Northern Ireland).[45][46] | Yes | Yes | Yes | Yes | ||
| .il | File:Flag of Israel.svg Israel | Israel | 1985 | Yes | Yes | Yes | ||||
| .im | File:Flag of the Isle of Man.svg Isle of Man | Isle of Man | No | No | Yes | |||||
| .in | File:Flag of India.svg India | India | 1989 | Under INRegistry since April 2005 (except for gov.in, nic.in, mil.in, ac.in, edu.in, res.in).
|
NIXI[47] | Yes [48] |
Yes | Yes | Yes | |
| .io | File:Flag of the British Indian Ocean Territory 2025.svg British Indian Ocean Territory (United Kingdom) | Indian Ocean | Used unofficially by technology companies, startups, and web applications because IO can be an acronym for input / output that is useful for domain hacks. | NIC.IO (run by Internet Computer Bureau) | Yes | Yes | Yes | |||
| .iq | File:Flag of Iraq.svg Iraq | Iraq | No | Partial[N] | Yes | |||||
| .ir | File:Flag of Iran.svg Iran | Iran | IRNIC | Yes | No | Yes | ||||
| .is | File:Flag of Iceland.svg Iceland | Ísland | 1986 | Also unofficially used and marketed as a domain hack (for example it.is, that.is, etc.). | ISNIC | Yes | Yes | Yes | ||
| .it | File:Flag of Italy.svg Italy | Italy | 1988 | Restricted to companies and individuals in the European Union. | Yes [49] |
Yes [50] |
Yes | Yes | ||
| .ja | File:Flag of Jamaica.svg Jamaica | Jamaica | No | No | No | |||||
| .je | File:Flag of Jersey.svg Jersey | Jersey | Island Networks Ltd. | Yes | No | Yes | ||||
| .jm | File:Flag of Jamaica.svg Jamaica | Jamaica | No | No | No | |||||
| .jo | File:Flag of Jordan.svg Jordan | Jordan | No | Yes | ||||||
| .jp | File:Flag of Japan.svg Japan | Japan | 1986 | Restricted to individuals or companies with a physical address in Japan. | Japan Registry Services | Yes | Yes | Yes | Yes [51] | |
| .ke | File:Flag of Kenya.svg Kenya | Kenya | No | No [52] |
No | |||||
| .kg | File:Flag of Kyrgyzstan.svg Kyrgyzstan | Kyrgyzstan | No | Yes | Yes | |||||
| .kh | File:Flag of Cambodia.svg Cambodia | Khmer | No | No | No | |||||
| .ki | File:Flag of Kiribati.svg Kiribati | Kiribati | No | Yes | Yes | |||||
| .km | File:Flag of the Comoros.svg Comoros | Komori | No | No | Yes | |||||
| .kn | File:Flag of Saint Kitts and Nevis.svg Saint Kitts and Nevis | Saint Kitts and Nevis | No | No | Yes | |||||
| .kp | File:Flag of North Korea.svg North Korea | Korea, Democratic People's Republic | Restricted to companies, organizations, or government entities based in North Korea. Despite this, few domains are actually registered because of internet censorship in North Korea. | No | No | No | No | |||
| .kr | File:Flag of South Korea.svg South Korea | Korea, Republic | 1986 | Yes | Yes | Yes | ||||
| .kw | File:Flag of Kuwait.svg Kuwait | Kuwait | Yes | No | ||||||
| .ky | File:Flag of the Cayman Islands.svg Cayman Islands (United Kingdom) | .ci and .cy already allocated
|
No | Yes | Yes | |||||
| .kz | File:Flag of Kazakhstan.svg Kazakhstan | Kazakhstan | Yes | No | Yes | |||||
| .la | File:Flag of Laos.svg Laos | Laos | Currently being marketed as the unofficial domain for Los Angeles.[53] | Yes | Yes | |||||
| .lb | File:Flag of Lebanon.svg Lebanon | Lebanon | Restricted to registration with a company in Lebanon | Yes | No | |||||
| .lc | File:Flag of Saint Lucia.svg Saint Lucia | Saint Lucia | Yes | Yes | ||||||
| .li | File:Flag of Liechtenstein.svg Liechtenstein | Liechtenstein | Also unofficially used by entities on Long Island, New York or people with the last name Li. In Russian, li can be used to create domain names that mean a verb with a past tense plural ending li . | SWITCH | Yes | Yes | Yes | |||
| .lk | File:Flag of Sri Lanka.svg Sri Lanka | Sri Lanka | Yes | Yes | Yes | |||||
| .lr | File:Flag of Liberia.svg Liberia | Liberia | Partial[N] | No | ||||||
| .ls | File:Flag of Lesotho.svg Lesotho | Lesotho | No | No | ||||||
| .lt | File:Flag of Lithuania.svg Lithuania | Lietuva | Yes | Yes | Yes | |||||
| .lu | File:Flag of Luxembourg.svg Luxembourg | Luxembourg | Also unofficially used in Lucerne, Switzerland | Yes | Yes | Yes | ||||
| .lv | File:Flag of Latvia.svg Latvia | Latvija | IMCS UL | Yes | Yes | Yes | ||||
| .ly | File:Flag of Libya.svg Libya | Libya | Used unofficially as a domain hack for words ending in -ly. | Yes | Yes | |||||
| .ma | File:Flag of Morocco.svg Morocco | Maroc / Al-Maghrib | 1992[54] | The registrar must be based in Morocco or have a legal representative in the country.
WHOIS privacy is prohibited by the national regulator.[55][56] |
ANRT (Agence nationale de réglementation des télécommunications) | Partial[O] | Yes [57] |
Yes | Yes | |
| .mc | File:Flag of Monaco.svg Monaco | Monaco | Only for companies with a trademark registered in Monaco. | Yes | Yes | |||||
| .md | File:Flag of Moldova.svg Moldova | Moldova | Restricted to individuals or companies with a physical address in Moldova. | Yes | Yes | |||||
| .me | File:Flag of Montenegro.svg Montenegro | Montenegro | Also unofficially used and marketed as a domain hack (for example love.me, meet.me, etc.). | Yes | Yes | |||||
| .mf | File:Flag of France.svg Saint Martin (France) | Saint Martin, French | Yes | Yes | Yes | |||||
| .mg | File:Flag of Madagascar.svg Madagascar | Madagascar | Restricted to registration with a company in Madagascar | NIC-MG | No | Yes | ||||
| .mh | File:Flag of the Marshall Islands.svg Marshall Islands | Marshall | Inactive | No | ||||||
| .mk | File:Flag of North Macedonia.svg North Macedonia | Makedonija | Restricted to individuals and companies in European Union. | No | Yes | |||||
| .ml | File:Flag of Mali.svg Mali | Mali | Also used as a free domain service to the public. | Freenom (for free domains) | Yes | No | Yes | |||
| .mm | File:Flag of Myanmar.svg Myanmar | Myanmar | No | No | ||||||
| .mn | File:Flag of Mongolia.svg Mongolia | Mongolia | The second-level domains .gov.mn, .org.mn, and .edu.mn are reserved for special use. See .mn for more information.
|
Yes | Yes | |||||
| .mo | File:Flag of Macau.svg Macau | Macao | Registrants must have a registered business in Macau, with the same name as the domain they wish to register. | Macao Post and Telecommunications Bureau (CTT) | Yes | No | Yes | Yes | ||
| .mp | File:Flag of the Northern Mariana Islands.svg Northern Mariana Islands (United States) | Marianas Pacific | No | Yes | ||||||
| .mq | File:Flag-of-Martinique.svg Martinique (France) | Martinique | No | No | ||||||
| .mr | File:Flag of Mauritania.svg Mauritania | Mauritania | Yes | Yes | ||||||
| .ms | File:Flag of Montserrat.svg Montserrat (United Kingdom) | Montserrat | Also unofficially used for Microsoft-related domains. | No | Yes | |||||
| .mt | File:Flag of Malta.svg Malta | Malta | No | No | ||||||
| .mu | File:Flag of Mauritius.svg Mauritius | Mauritius | No | Yes | ||||||
| .mv | File:Flag of Maldives.svg Maldives | Maldives | No | Yes | ||||||
| .mw | File:Flag of Malawi.svg Malawi | Malawi | No | Yes | ||||||
| .mx | File:Flag of Mexico.svg Mexico | Mexico | 1989 | Yes | Yes | |||||
| .my | File:Flag of Malaysia.svg Malaysia | Malaysia | 1987 | Restricted to registration by an individual or company in Malaysia | MYNIC | Yes [58] |
Yes | Yes | ||
| .mz | File:Flag of Mozambique.svg Mozambique | Mozambique | No | No | ||||||
| .na | File:Flag of Namibia.svg Namibia | Namibia | Yes | Yes | ||||||
| .nc | File:Flags of New Caledonia.svg New Caledonia (France) | New Caledonia | Restricted to companies that have a New Caledonian Business Registration Certificate or individuals living in New Caledonia for at least 6 months. | Yes | Yes | |||||
| .ne | File:Flag of Niger.svg Niger | Niger | No | Yes | ||||||
| .nf | File:Flag of Norfolk Island.svg Norfolk Island | Norfolk | Yes | Yes | ||||||
| .ng | File:Flag of Nigeria.svg Nigeria | Nigeria | No | Yes | ||||||
| .ni | File:Flag of Nicaragua.svg Nicaragua | Nicaragua | No | No | ||||||
| .nl | File:Flag of the Netherlands.svg The Netherlands | Nederland | 1986 | First active country-code domain outside the US.[59] | No | Yes | Yes | Yes | ||
| .no | File:Flag of Norway.svg Norway | Norge | 1987 | Businesses and professionals must be registered as an approved type of organization in the Brønnøysund Register Centre. Individual applicants must be of age (18 years) and be registered in Folkeregisteret. All applicants must have a Norwegian postal address. | Norid | Yes | Yes | Yes | Yes | |
| .np | File:Flag of Nepal.svg Nepal | Nepal | All .np domains are free to register for individuals and registered businesses. Foreign businesses must provide proof of local presence in Nepal.
|
No | No | |||||
| .nr | File:Flag of Nauru.svg Nauru | Nauru | Was previously used as a free domain service to the public as co.nr.[60]
|
No | Yes | |||||
| .nu | File:Flag of Niue.svg Niue | Niue | Commonly used by Danish, Dutch, and Swedish websites, because in their languages "nu" means "now". | The Swedish Internet Foundation | Yes [61] |
Yes | Yes | Yes | ||
| .nz | File:Flag of New Zealand.svg New Zealand | New Zealand | 1987 | Māori [62] |
Yes | Yes [63] |
Yes | |||
| .om | File:Flag of Oman.svg Oman | Oman | Registrant must have company or trademark registered in Oman as well as a local administrative contact. | No | No | |||||
| .pa | File:Flag of Panama.svg Panama | Panama | Some use in Pennsylvania | No | No | |||||
| .pe | File:Flag of Peru.svg Peru | Peru | Also unofficially used for Private Equity-related businesses. | Yes | Yes | Yes | ||||
| .pf | File:Flag of French Polynesia.svg French Polynesia (France) | Polynésie française | With Clipperton Island | No | Yes | |||||
| .pg | File:Flag of Papua New Guinea.svg Papua New Guinea | Papua New Guinea | No | No | ||||||
| .ph | File:Flag of the Philippines.svg Philippines | Philippines | Yes | Yes | ||||||
| .pk | File:Flag of Pakistan.svg Pakistan | Pakistan | Operated by PKNIC since 1992 | No | Yes | |||||
| .pl | File:Flag of Poland.svg Poland | Poland | 1990+ | Yes [64] |
Yes | Yes | ||||
| .pm | Template:Country data Saint-Pierre and Miquelon (France) | Saint Pierre and Miquelon | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland, and Liechtenstein.[L] | AFNIC | Yes | Yes | ||||
| .pn | File:Flag of the Pitcairn Islands.svg Pitcairn Islands (United Kingdom) | Pitcairn | As a part of a marketing campaign, Lionsgate used the TLD for some (now defunct) sites related to The Hunger Games franchise, presenting it as the "official" country code of the fictional nation of Panem; notable sites included thecapitol.pn and revolution.pn. | No | Yes | |||||
| .pr | File:Flag of Puerto Rico.svg Puerto Rico (United States) | Puerto Rico | Yes | Yes | ||||||
| .ps | File:Flag of Palestine.svg Palestine [65] |
Palestine | Jerusalem, West Bank and Gaza Strip. | No | Yes | |||||
| .pt | File:Flag of Portugal (official).svg Portugal | Portugal | 1988 | Associação DNS.PT | Portuguese | Yes | Yes | Yes [66] | ||
| .pw | File:Flag of Palau.svg Palau | Pelew | Yes | Yes | Yes | Yes [67] | ||||
| .py | File:Flag of Paraguay.svg Paraguay | Paraguay | No | No | ||||||
| .qa | File:Flag of Qatar.svg Qatar | Qatar | No | No | ||||||
| .re | File:Proposed flag of Réunion (VAR).svg Réunion (France) | Réunion | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland, and Liechtenstein.[L] | AFNIC | Yes [39] |
Yes | Yes | |||
| .rh | File:Flag of Haiti.svg Haiti | Republic of Haiti | Yes | No | Yes | |||||
| .ri | File:Flag of Indonesia.svg Indonesia | Republic of Indonesia | Yes | No | Yes | |||||
| .ro | File:Flag of Romania.svg Romania | Romania | Yes [68] |
Yes [69] |
Yes | Yes [70] | ||||
| .rs | File:Flag of Serbia.svg Serbia | Republika Srbija | See also .срб (.srb in Cyrillic). Also unofficially used for Rust (programming language)-related domains. | Yes | Yes | Yes | Yes | |||
| .ru | File:Flag of Russia.svg Russia | Russia | 1990+ | See also .su, still in use, and .рф, for IDN. | No | Yes | Yes | Yes | ||
| .rw | File:Flag of Rwanda.svg Rwanda | Rwanda | RICTA | No | Yes | |||||
| .sa | File:Flag of Saudi Arabia.svg Saudi Arabia | Saudi Arabia | Registrant must have a registered trademark in Saudi Arabia matching the domain name to register or provide company incorporation documents of a company in Saudi Arabia or for personal registrations a copy of valid ID. A letter on the official letterhead of your organization addressed to SaudiNIC requesting the domain name registration is also required. Local administrative contact required. 2LD registrations rolled out in 2011.[71] | Arabic [20] |
Yes [72] |
Yes | Yes [73] | |||
| .sb | File:Flag of the Solomon Islands.svg Solomon Islands | Solomon Islands, British | Yes | No | ||||||
| .sc | File:Flag of Seychelles.svg Seychelles | Seychelles | Also unofficially used for Snapchat-related domains. | Yes | Yes | |||||
| .sd | File:Flag of Sudan.svg Sudan | Sudan | No | Yes | ||||||
| .se | File:Flag of Sweden.svg Sweden | Sverige | 1986 | The Swedish Internet Foundation | Yes[P] | Yes | Yes | Yes | ||
| .sg | File:Flag of Singapore.svg Singapore | Singapore | 1988 | Also unofficially used in the Canton of St. Gallen, Switzerland | Yes | Yes | ||||
| .sh | File:Flag of Saint Helena.svg Saint Helena (United Kingdom) | Saint Helena | NIC.SH (run by Internet Computer Bureau) | Yes [75] |
Yes | Yes | ||||
| .si | File:Flag of Slovenia.svg Slovenia | Slovenia | Yes[Q] | Yes | Yes | |||||
| .sj | Template:Country data Svalbard and Jan Mayen | Svalbard and Jan Mayen | 1987 | Norid | Yes | Yes | Yes | Yes | ||
| .sk | File:Flag of Slovakia.svg Slovakia | Slovensko | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland, and Liechtenstein.[L] | Yes | Yes | Yes | ||||
| .sl | File:Flag of Sierra Leone.svg Sierra Leone | Sierra Leone | No | Yes | ||||||
| .sm | File:Flag of San Marino.svg San Marino | San Marino | Domain name must be same as company name or trademark. | No | Yes | |||||
| .sn | File:Flag of Senegal.svg Senegal | Senegal | Registration allowed for companies only. Individuals are not allowed to register. | Yes | Yes | |||||
| .so | File:Flag of Somalia.svg Somalia | Somalia | Relaunched on 1 November 2010. | SONIC | No | No | Yes | |||
| .sr | File:Flag of Suriname.svg Suriname | Suriname | No | Yes | ||||||
| .ss | File:Flag of South Sudan.svg South Sudan | South Sudan | Yes | |||||||
| .st | File:Flag of São Tomé and Príncipe.svg São Tomé and Príncipe | São Tomé | Also unofficially used in South Tyrol (or province of Bozen, see .bz). | Yes | No | Yes | ||||
| .su | File:Flag of the Soviet Union.svg Soviet Union | Soviet Union | Still in use. Also unofficially used by Student Unions. | Yes[R] | Yes | Yes | Yes [78] | |||
| .sv | File:Flag of El Salvador.svg El Salvador | Salvador | No | No | ||||||
| .sx | File:Flag of Sint Maarten.svg Sint Maarten (Kingdom of the Netherlands) | .sm, .ma, and .mt already allocated; airport code is SXM
|
Yes | No | ||||||
| .sy | File:Flag of Syria (2025-).svg Syria | Syria | No | Yes | ||||||
| .sz | File:Flag of Eswatini.svg Eswatini | Swaziland | Registration is restricted to Eswatini organizations with Eswatini Trading Licenses. | No | No | |||||
| .ta | File:Flag of Tristan da Cunha.svg Tristan da Cunha (United Kingdom) | Tristan da Cunha | Yes | Yes | ||||||
| .tc | File:Flag of the Turks and Caicos Islands.svg Turks and Caicos Islands (United Kingdom) | Turks and Caicos | Also marketed in Turkey. The official abbreviation of 'Türkiye Cumhuriyeti' (Republic of Turkey) is TC. | No | Yes | |||||
| .td | File:Flag of Chad.svg Chad | Tchad | Available for registration to entities connected with Chad only. | No | Yes | |||||
| .tf | File:Flag of the French Southern and Antarctic Lands.svg French Southern and Antarctic Lands | Terres australes et antarctiques françaises | Seldom used. Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland, and Liechtenstein. The domain also sees frequent use for community-run sites related to the video game Team Fortress 2.[L] | AFNIC | Yes [39] |
Yes | Yes | |||
| .tg | File:Flag of Togo (3-2).svg Togo | Togo | No | Yes | ||||||
| .th | File:Flag of Thailand.svg Thailand | Thai | 1988 | Yes | Yes | No | ||||
| .tj | File:Flag of Tajikistan.svg Tajikistan | Tajik | No | Yes | ||||||
| .tk | File:Flag of Tokelau.svg Tokelau | Tokelau | Also used as a free domain service to the public. | Freenom (for free domains) | Yes | No | Yes | |||
| .tl | File:Flag of East Timor.svg East Timor | Timor-Leste | Old code .tp has been deactivated since 2015. | Yes | Yes | |||||
| .tm | File:Flag of Turkmenistan.svg Turkmenistan | Turkmen | Yes [79] |
Yes | Yes | |||||
| .tn | File:Flag of Tunisia.svg Tunisia | Tunisia | Currently being marketed as the unofficial domain for Tamil Nadu[80] | Yes | Yes | Yes | Yes | |||
| .to | File:Flag of Tonga.svg Tonga | Tonga | Often used unofficially for Torrent, Turin (Torino in Italian), Toronto, Tokyo, or Tocantins, and also as a domain hack in Slavic languages (to meaning it). | Yes | No | Yes | ||||
| .tr | File:Flag of Turkey.svg Turkey | Turkey | 1990+ | .ct.tr and .nc.tr used by Northern Cyprus | Yes[S] | Yes[T] | Yes | Yes[U] | ||
| .tt | File:Flag of Trinidad and Tobago.svg Trinidad and Tobago | Trinidad and Tobago | Yes | Yes | ||||||
| .tv | File:Flag of Tuvalu.svg Tuvalu | Tuvalu | Used as an abbreviation of television, the domain is currently operated by dotTV, a VeriSign company; the Tuvalu government owns twenty percent of the company. | Yes | Yes | |||||
| .tw | File:Flag of the Republic of China.svg Taiwan | Taiwan | 1989 | Registration allowed worldwide, local presence not required. In line with ISO 3166-1, IANA's official position is that "TW" is "designated for use to represent Taiwan, Province of China".[84] | TWNIC | Yes[V] | Yes | Yes | Yes | |
| .tz | File:Flag of Tanzania.svg Tanzania | Tanzania | TLD registrations allowed as of July 2022, no local presence in Tanzania required. | TCRA | Yes | No | ||||
| .ua | File:Flag of Ukraine.svg Ukraine | Ukraina | Hostmaster Ltd. | Yes | Yes | |||||
| .ug | File:Flag of Uganda.svg Uganda | Uganda | Uganda Online Ltd. | Yes | Yes | |||||
| .um | File:Flag of the United States (Web Colors).svg United States Minor Outlying Islands (United States) | U.S. Minor Outlying Islands | 1985 | Registrants must be United States citizens, residents, or organizations, or a foreign entity with a presence in the United States. Formerly commonly used by U.S. State and local governments, see also .gov TLD. | Go Daddy | Yes | Yes | |||
| .un | File:Flag of the United Nations.svg United Nations | United Nations | No | Yes | Yes | |||||
| .uk | File:Flag of the United Kingdom (1-2).svg United Kingdom | United Kingdom | 1985 | The ISO 3166-1 code for the United Kingdom is GB (for Great Britain). UK is a specially reserved ISO 3166-1 code. However, the creation of the .uk TLD predates the ISO 3166-1 list of ccTLD and is the primary TLD for the United Kingdom.[40] | Nominet UK | Yes | Yes | Yes | ||
| .us | File:Flag of the United States.svg USA | U.S. | 1985 | Registrants must be United States citizens, residents, or organizations, or a foreign entity with a presence in the United States. Formerly commonly used by U.S. State and local governments, see also .gov TLD. | Go Daddy | Yes | Yes | |||
| .uy | File:Flag of Uruguay.svg Uruguay | Uruguay | 2LD rollout began on 10 July 2012.[86] | Yes | Yes | |||||
| .uz | File:Flag of Uzbekistan.svg Uzbekistan | Uzbekistan | Uzinfocom | Yes | Yes | |||||
| .va | File:Flag of Vatican City (2023–present).svg Vatican City | Vatican | Limited to the official sites of the Holy See (including those of the Vatican City State). | No | No | |||||
| .vc | File:Flag of Saint Vincent and the Grenadines.svg Saint Vincent and the Grenadines | Vincent | Partial[N] | Yes | ||||||
| .ve | File:Flag of Venezuela.svg Venezuela | Venezuela | Registration is at the third level. | Yes | No | |||||
| .vg | File:Flag of the British Virgin Islands.svg British Virgin Islands (United Kingdom) | Virgin Islands | No | Yes | ||||||
| .vi | File:Flag of the United States Virgin Islands.svg United States Virgin Islands (United States) | Virgin Islands | No | Yes | ||||||
| .vn | File:Flag of Vietnam.svg Vietnam | Viet Nam | Yes [87] |
Yes | Yes | |||||
| .vu | File:Flag of Vanuatu.svg Vanuatu | Vanuatu | Yes | Yes | ||||||
| .wf | File:Flag of Wallis and Futuna.svg Wallis and Futuna | Wallis and Futuna | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland, and Liechtenstein.[L] | AFNIC | Yes [39] |
Yes | Yes | |||
| .ws | File:Flag of Samoa.svg Samoa | Western Samoa | Marketed for use in general Websites | Yes | Yes [88] |
Yes | ||||
| .xk | File:Flag of Kosovo.svg Kosovo | .ka, .ks, .kv and .ko already allocated
|
Yes | Yes | Yes | |||||
| .ye | File:Flag of Yemen.svg Yemen | Yemen | No | No | ||||||
| .yt | File:Flag of France.svg Mayotte | Mayotte | Restricted to individuals and companies in European Union, Switzerland, Norway, Iceland and Liechtenstein.[L] Also unofficially used for YouTube-related domains. | AFNIC | Yes [39] |
Yes | Yes | |||
| .yu | File:Flag of Yugoslavia (1946-1992).svg Yugoslavia | Yugoslavia | Still in use. | Yes[W] | Yes | Yes | Yes | |||
| .za | File:Flag of South Africa.svg South Africa | Zuid-Afrika | 1990+ | .za derives from the Dutch name of the country, even though Dutch is no longer an official language. | ZA Domain Name Authority[89][90][91] | Yes | Yes | |||
| .zm | File:Flag of Zambia.svg Zambia | Zambia | No | Yes[X] | ||||||
| .zr | File:Flag of Zaire (1971–1997).svg Zaire | Zaire | No | No | Yes | |||||
| .zw | File:Flag of Zimbabwe.svg Zimbabwe | Zimbabwe | No | No | ||||||
Name
|
Entity | Explanation | Year
Registered |
Notes | Registry | IDN | DNSSEC | SLD | IPv6 |
Table Notes
| Name | DNS name of the two-letter country-code top-level domain.[Y] |
|---|---|
| Entity | Country, dependency, or region |
| Explanation | Explanation of the code when it is not self-evident from the English name of the country. These are usually domains that arise from native name of the country.[Z] |
| Notes | General remarks |
| Registry | Domain name registry operator, sometimes called a network information center (NIC) |
| IDN | Support for internationalized domain names (IDN) |
| DNSSEC | Presence of DS records for Domain Name System Security Extensions |
| SLD | Second level domain[clarification needed] |
| IPv6 | Registry fully supports IPv6 access |
- ↑ 17 November 2009, Spanish-Portuguese specific characters (á, â, ã, à, é, ê, í, ó, ô, õ, ú, ü, ñ, ç) allowed, as approved by law.[14]
- ↑ Mostly latin characters (à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ø ù ú û ü ý þ ÿ œ š ž), see[16]
- ↑ Currently not allowed, but some higher-learning institutions were grandfathered-in.
- ↑ Since March 2004, see[27]
- ↑ (28 April 2008[update])
- ↑ IDN not adopted due to lack of public and corporate interest[28]
- ↑ 93 non-ASCII characters, see[29]
- ↑ 1 January 2004, support æ, ø, å, ö, ä, ü, & é: see[30]
- ↑ Estonian domain names to incorporate diacritics (IDN) starting from 13 June 2011[32]
- ↑ Supported characters: Latin, Greek, & Cyrillic; see[34]
- ↑ September 2005, supported characters: š, ž, å, ä, ö and Sami language; see[37]
- ↑ 12.0 12.1 12.2 12.3 12.4 12.5 12.6 (6 December 2011)[38]
- ↑ Support for Greek characters since July 2005; see[42]
- ↑ 14.0 14.1 14.2 Delegation Signer (DS) record in a root zone has not yet been published.
- ↑ Only supports Accented Latin, no support for Arabic script as of July 2026.
- ↑ October 2003, for Swedish characters, summer 2007 also for Finnish, Meänkieli, Romani, Sami, and Yiddish; see[74]
- ↑ Since October 2010, see[76]
- ↑ (28 April 2008[update]) see[77]
- ↑ 14 November 2006; see[81]
- ↑ 14 March 2023; see[82]
- ↑ 21 July 2015; see[83]
- ↑ Traditional Chinese characters: see[85]
- ↑ (28 April 2008[update])
- ↑ Restricted to ISPs and other undefined entities. See .zm .
- ↑ They follow ISO 3166-1 alpha-2, with some exceptions such as ".ac" for Ascension Island, ".eu" for the European Union, or ".uk" for United Kingdom of Great Britain and Northern Ireland instead of ".gb". ISO codes
bl,mf,gb, andumare not used for country code top-level domains. - ↑ e.g. .de for Deutschland, German language name for Germany.
Internationalized ccTLDs
- Table notes
Proposed internationalized ccTLDs
Internationalised domain names have been proposed for Japan and Libya.
Relation to ISO 3166-1
The IANA is not in the business of deciding what is and what is not a country. The selection of the ISO 3166 list as a basis for country code top-level domain names was made with the knowledge that ISO has a procedure for determining which entities should be and should not be on that list.
— Jon Postel, RFC 1591[96]
Unused ISO 3166-1 codes
Almost all current ISO 3166-1 codes have been assigned and do exist in DNS.
However, some of these are effectively unused. In particular, the ccTLDs for the Norwegian dependency Bouvet Island (bv) and the designation Svalbard and Jan Mayen (sj) do exist in DNS, but no subdomains have been assigned, and it is Norid policy to not assign any at present.[97][98] Two French territories—bl (Saint Barthélemy) and mf (Saint Martin)—still[update] await local assignment by France's government.
The code eh, although eligible as ccTLD for Western Sahara, has never been assigned and does not exist in DNS. Only one subdomain is still registered in gb[99] (ISO 3166-1 for the United Kingdom), and no new registrations are being accepted for it. Sites in the United Kingdom generally use uk (see below).
The former .um ccTLD for the U.S. Minor Outlying Islands was removed in April 2008. Under RFC 1591 rules, .um is eligible as a ccTLD on request by the relevant governmental agency and local Internet user community.
ASCII ccTLDs not in ISO 3166-1
Several ASCII ccTLDs are in use that are not ISO 3166-1 two-letter codes. Some of these codes were specified in older versions of the ISO list.
uk(United Kingdom): The ISO 3166-1 code for the United Kingdom is GB. However, the JANET network had already selectedukas a top-level identifier for its pre-existing Name Registration Scheme, and this was incorporated into the DNS root.gbwas assigned with the intention of a transition, but this never occurred and the use ofukis now entrenched.[100]suThis obsolete ISO 3166 code for the Soviet Union was assigned when the Soviet Union still existed; moreover, newsuregistrations are accepted.ac(Ascension Island): This code is a vestige of IANA's decision in 1996 to allow the use of codes reserved in the ISO 3166-1 alpha-2 reserve list for use by the Universal Postal Union. The decision was later reversed, with Ascension Island now the sole outlier. (Three other ccTLDs,gg(Guernsey),im(Isle of Man) andje(Jersey) also fell under this category from 1996 until they received corresponding ISO 3166 codes in March 2006.)eu(European Union): On September 25, 2000, ICANN decided to allow the use of any two-letter code in the ISO 3166-1 reserve list that is reserved for all purposes. Only EU currently meets this criterion. Following a decision by the EU's Council of Telecommunications Ministers in March 2002, progress was slow, but a registry (named EURid) was chosen by the European Commission, and criteria for allocation set: ICANN approvedeuas a ccTLD, and it opened for registration on 7 December 2005 for the holders of prior rights. Since 7 April 2006, registration is open to all in the European Economic Area.
Historical ccTLDs
ccTLDs may be removed if that country ceases to exist. There are three ccTLDs that have been deleted after the corresponding 2-letter code was withdrawn from ISO 3166-1: cs (for Czechoslovakia), zr (for Zaire) and tp (for East Timor). There may be a significant delay between withdrawal from ISO 3166-1 and deletion from the DNS; for example, ZR ceased to be an ISO 3166-1 code in 1997, but the zr ccTLD was not deleted until 2001. Other ccTLDs corresponding to obsolete ISO 3166-1 codes have not yet been deleted. In some cases they may never be deleted due to the amount of disruption this would cause for a heavily used ccTLD. In particular, the Soviet Union's ccTLD su remains in use more than twenty years after SU was removed from ISO 3166-1.
The historical country codes .dd for the German Democratic Republic and yd for South Yemen were eligible for a ccTLD, but not allocated; see also .de and ye.
The temporary reassignment of country code cs (Serbia and Montenegro) until its split into rs and me (Serbia and Montenegro, respectively) led to some controversies[101][102] about the stability of ISO 3166-1 country codes, resulting in a second edition of ISO 3166-1 in 2007 with a guarantee that retired codes will not be reassigned for at least 50 years, and the replacement of RFC 3066 by RFC 4646 for country codes used in language tags in 2006.
The previous ISO 3166-1 code for Yugoslavia, YU, was removed by ISO on 23 July 2003, but the yu ccTLD remained in operation. Finally, after a two-year transition to Serbian rs and Montenegrin me, the .yu domain was phased out in March 2010.
Australia was originally assigned the oz country code, which was later changed to au with the .oz domains moved to .oz.au.
Internationalized ccTLDs
An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its native language script or a non-alphabetic writing system, such as Latin script (.us, .uk and .br), Indic script (.भारत) and Korean script (.한국), etc. IDN ccTLDs are an application of the internationalized domain name (IDN) system to top-level Internet domains assigned to countries, including the United Kingdom, or independent geographic regions.
ICANN started to accept applications for IDN ccTLDs in November 2009,[103] and installed the first set into the Domain Names System in May 2010. The first set was a group of Arabic names for the countries of Egypt, Saudi Arabia, and the United Arab Emirates. By May 2010, 21 countries had submitted applications to ICANN, representing 11 languages.[104]
ICANN requires all potential international TLDs to use at least one letter that does not resemble a Latin letter, or have at least three letters, in an effort to avoid IDN homograph attacks. Nor shall the international domain name look like another domain name, even if they have different alphabets. Between Cyrillic and Greek alphabets, for example, this could happen.
Generic ccTLDs
Generic Country Code Top-Level Domain or gccTLD refers to those TLDs which are technically "non-restricted ccTLDs" but used like traditional generic TLDs (gTLDs) rather than "country"-targeted ones.[105][106][107] Most of the gccTLDs are primarily used as domain hacks:
Unconventional usage
Lenient registration restrictions on certain ccTLDs have resulted in various domain hacks. Domain names such as I.am, tip.it, start.at and go.to form well-known English phrases, whereas others combine the second-level domain and ccTLD to form one word or one title, creating domains such as blo.gs of South Georgia and the South Sandwich Islands (gs), youtu.be of Belgium (be), del.icio.us of the United States (us), and cr.yp.to of Tonga (to). The .co domain of Colombia has been cited since 2010 as a potential competitor to generic TLDs for commercial use, because it may be an abbreviation for company.[108]
Several ccTLDs allow the creation of emoji domains.
Some ccTLDs may also be used for typosquatting. The domain cm for Cameroon has generated interest due to the possibility that people might miss typing the letter o for sites in the com.[109]
Commercial use
Some of the world's smallest countries and non-sovereign or colonial entities with their own country codes have opened their TLDs for worldwide commercial use. Some of them, such as .tk, are free.
See also
- List of ccTLDs
- Country code top-level domains with commercial licenses
- Country code second-level domain
- ISO 3166-1 alpha-2 assigned codes
- Geographic top-level domain, a type of generic top-level domain
References
- ↑ "ccTLD". ICANN (iana.org). 2012-02-25. Archived from the original on 2020-05-07. Retrieved 2020-05-14.
- ↑ The Domain Name Industry Report (PDF). verisign.com (Report). Archived (PDF) from the original on 2021-01-31. Retrieved 2020-05-14.
- ↑ "Leading ccTLDs by number of domains 2025". Statista. 2025-09-11. Retrieved 2026-04-24.
- ↑ "Best Free Domain Registrars in 2026: What's Actually Free & What Isn't". Cybernews. 2026-02-20. Retrieved 2026-04-24.
- ↑ "Best European domain registrars: Top 8 providers compared". Hostinger Tutorials. 2026-03-13. Retrieved 2026-04-24.
- ↑ 6.0 6.1 "The DNIB Quarterly Report Q1 2026". Domain Name Industry Brief (DNIB). Retrieved 2026-05-20.
- ↑ "The Top 10 ccTLDs Powering the European Domain Market". dotmagazine – joining the dots in the Internet industry. Retrieved 2026-05-20.
- ↑ "Verisign Domain Name Industry Brief Q1 2021" (PDF). verisign.com. Archived (PDF) from the original on 2021-06-06. Retrieved 2021-06-06.
- ↑ "list of ccTLDs". IANA (iana.org). Archived from the original on 2022-08-08. Retrieved 2020-11-01.
- ↑ "IANA — Root Zone Database". iana.org. Retrieved 19 February 2023.
- ↑ 11.0 11.1 "IANA — Root Zone Database". iana.org. Archived from the original on 20 January 2018. Retrieved 10 February 2020.
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Previously restricted to residents of the corresponding French territory. - ↑ 39.0 39.1 39.2 39.3 39.4 "Availability of IDN on the .fr, .yt, .pm, .wf, .tf, and .re TLDs". Afnic.fr. Archived from the original on 6 August 2014. Retrieved 21 October 2014.
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- ↑ "DNS loookup for dra.hmg.gb". 2010. Archived from the original on 2022-08-08. Retrieved 2010-07-03.
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- ↑ Daigle, Leslie (2003-09-24). "IAB input related to the .cs code in ISO 3166". IAB. Archived from the original on 2008-07-05. Retrieved 2008-06-22.
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External links
- Official website
- "World Intellectual Property Organization". Domain name dispute resolution. WIPO.
- "World-Wide Alliance of Top Level Domain-names".
- "Country Code Names Supporting Organisation (ccNSO)". ICANN.
- Baskerville, Robert (Jan 16, 2008). "ccTLD and TLD analysis (of several Zone files)". Archived from the original on 2015-11-03. Retrieved 2008-01-13.
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