Difference between revisions of "Internet top-level domain"
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Two-letter top-level domains are assigned to countries and dependent teritories by [https://www.icann.org/ ICANN]. Main criteria for ICANN is [http://www.iso.org/ ISO] country codes list, but ICANN and ISO lists differ a little. | Two-letter top-level domains are assigned to countries and dependent teritories by [https://www.icann.org/ ICANN]. Main criteria for ICANN is [http://www.iso.org/ ISO] country codes list, but ICANN and ISO lists differ a little. | ||
| − | As of | + | As of 05.02.2020 [https://www.iso.org/obp/ui/ ISO list] contains '''249''' officially assigned codes. |
| − | As of | + | As of 05.02.2020 ICANN's [http://www.iana.org/domains/root/db IANA Root Zone Database] contains '''255''' two-latin-letters country-code domains, including 249 ISO-assigned codes + '''AC''' (Ascension - while it is part of ''Saint Helena, Ascension and Tristan da Cunha'' territory in SH ISO code), '''AN''' (former Netherlands Antilles, divided into BQ, CW and SX), '''EU''' (European Union), '''SU''' (Soviet Union), '''TP''' (former Portuguese Timor, renamed to Timor-Leste since independence) and '''UK''' (United Kingdom, along with GB for Great Britain - domain GB is ''Reserved'' and works for only one 2nd-level domain name hmg.gb - stands for 'Her Majesty Government' - with several subdomains but no websites on them). |
| − | ''' | + | '''248''' domains are online. Domains '''''BL''''' (Saint Barthélemy), '''''BQ''''' (Bonaire, Sint Eustatius and Saba), '''''EH''''' (Western Sahara), '''''MF''''' (Saint Martin) and '''''UM''''' (U.S. Minor Outlying Islands) are marked as ''Not assigned''. '''''AN''''' and '''''TP''''' marked as ''Retired'' (.tp was deleted from nameservers 26.01.2015; .an deleted in July 2015 or later). |
== ISO codes == | == ISO codes == | ||
| + | ISO codes are based on [http://unstats.un.org/ United Nations Statistics Division] list. [https://unstats.un.org/unsd/methodology/m49/ UNSD Country or Area Codes for Statistical Use list] includes as separate entry Sark island (since 2011). | ||
| − | ISO codes are | + | 12 ISO codes are exceptionally reserved at requests of countries and organisations: |
| + | AC Ascension Island Exceptionally reserved at the request of Universal Postal Union (UPU) | ||
| + | CP Clipperton Island Exceptionally reserved at the request of International Telecommunication Union (ITU) | ||
| + | DG Diego Garcia Exceptionally reserved at the request of International Telecommunication Union (ITU) | ||
| + | EA Ceuta and Melilla Exceptionally reserved at the request of World Customs Organization (WCO) | ||
| + | EU European Union Exceptionally reserved at the request of ISO 4217/MA (Currencies) for ISO 6166 (Securities) | ||
| + | EZ (European OTC derivatives) Exceptionally reserved at the request of ISO 6166/RA (Securities) | ||
| + | FX France, Metropolitan Exceptionally reserved at the request of France | ||
| + | IC Canary Islands Exceptionally reserved at the request of World Customs Organization (WCO) | ||
| + | SU USSR Exceptionally reserved at the request of the Foundation for Internet Development (FID) | ||
| + | TA Tristan da Cunha Exceptionally reserved at the request of Universal Postal Union (UPU) | ||
| + | UK United Kingdom Exceptionally reserved at the request of United Kingdom | ||
| + | UN United Nations Exceptionally reserved by the ISO 3166 Maintenance Agency | ||
| − | + | Reserved codes '''AC''', '''EU''', '''SU''' and '''UK''' are delegated as Internet TLDs. AC registrars position it as Academic domain; EU stands for European Union; SU - for Post-Soviet states; UK is being used instead of ISO-assigned GB code. | |
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| − | Reserved codes AC, EU, SU and UK are delegated as Internet TLDs. | ||
7 ISO codes are transitionally reserved for 50 years after renaming of countries or dissolution of federations and dependent territories: | 7 ISO codes are transitionally reserved for 50 years after renaming of countries or dissolution of federations and dependent territories: | ||
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AN Netherlands Antilles Reserved from 2010-12 to 2060-12. Divided (see below) BQ+CW+SX | AN Netherlands Antilles Reserved from 2010-12 to 2060-12. Divided (see below) BQ+CW+SX | ||
| − | .AN deleted by ISO on 2010-12-15/2011-12-13 - and is still transitionally reserved to Netherlands Antilles (divided into: Bonaire, Sint Eustatius and Saba - BQ, Curaçao - CW and Sint Maarten - SX). | + | .AN was deleted by ISO on 2010-12-15/2011-12-13 - and is still transitionally reserved to Netherlands Antilles (divided into: Bonaire, Sint Eustatius and Saba - BQ, Curaçao - CW and Sint Maarten - SX). |
| − | [[Category: | + | [[Category:Domains]] |
Latest revision as of 23:07, 13 October 2020
Country code TLDs
Two-letter top-level domains are assigned to countries and dependent teritories by ICANN. Main criteria for ICANN is ISO country codes list, but ICANN and ISO lists differ a little.
As of 05.02.2020 ISO list contains 249 officially assigned codes.
As of 05.02.2020 ICANN's IANA Root Zone Database contains 255 two-latin-letters country-code domains, including 249 ISO-assigned codes + AC (Ascension - while it is part of Saint Helena, Ascension and Tristan da Cunha territory in SH ISO code), AN (former Netherlands Antilles, divided into BQ, CW and SX), EU (European Union), SU (Soviet Union), TP (former Portuguese Timor, renamed to Timor-Leste since independence) and UK (United Kingdom, along with GB for Great Britain - domain GB is Reserved and works for only one 2nd-level domain name hmg.gb - stands for 'Her Majesty Government' - with several subdomains but no websites on them).
248 domains are online. Domains BL (Saint Barthélemy), BQ (Bonaire, Sint Eustatius and Saba), EH (Western Sahara), MF (Saint Martin) and UM (U.S. Minor Outlying Islands) are marked as Not assigned. AN and TP marked as Retired (.tp was deleted from nameservers 26.01.2015; .an deleted in July 2015 or later).
ISO codes
ISO codes are based on United Nations Statistics Division list. UNSD Country or Area Codes for Statistical Use list includes as separate entry Sark island (since 2011).
12 ISO codes are exceptionally reserved at requests of countries and organisations:
AC Ascension Island Exceptionally reserved at the request of Universal Postal Union (UPU) CP Clipperton Island Exceptionally reserved at the request of International Telecommunication Union (ITU) DG Diego Garcia Exceptionally reserved at the request of International Telecommunication Union (ITU) EA Ceuta and Melilla Exceptionally reserved at the request of World Customs Organization (WCO) EU European Union Exceptionally reserved at the request of ISO 4217/MA (Currencies) for ISO 6166 (Securities) EZ (European OTC derivatives) Exceptionally reserved at the request of ISO 6166/RA (Securities) FX France, Metropolitan Exceptionally reserved at the request of France IC Canary Islands Exceptionally reserved at the request of World Customs Organization (WCO) SU USSR Exceptionally reserved at the request of the Foundation for Internet Development (FID) TA Tristan da Cunha Exceptionally reserved at the request of Universal Postal Union (UPU) UK United Kingdom Exceptionally reserved at the request of United Kingdom UN United Nations Exceptionally reserved by the ISO 3166 Maintenance Agency
Reserved codes AC, EU, SU and UK are delegated as Internet TLDs. AC registrars position it as Academic domain; EU stands for European Union; SU - for Post-Soviet states; UK is being used instead of ISO-assigned GB code.
7 ISO codes are transitionally reserved for 50 years after renaming of countries or dissolution of federations and dependent territories:
BU Burma Reserved from 1989-12 to 2039-12. New country name: Myanmar MM NT Neutral Zone Reserved from 1993-07 to 2043-07. Divided between Iraq and Saudi Arabia IQ+SA ZR Zaire Reserved from 1997-07 to 2047-07. New country name: Congo (Kinshasa) CD TP East Timor Reserved from 2002-05 to 2052-05. New country name: Timor-Leste TL YU Yugoslavia Reserved from 2003-07 to 2053-07. New country name: Serbia and Montenegro CS CS Serbia and Montenegro Reserved from 2006-09 to 2056-09. Divided to Serbia and Montenegro RS+ME AN Netherlands Antilles Reserved from 2010-12 to 2060-12. Divided (see below) BQ+CW+SX
.AN was deleted by ISO on 2010-12-15/2011-12-13 - and is still transitionally reserved to Netherlands Antilles (divided into: Bonaire, Sint Eustatius and Saba - BQ, Curaçao - CW and Sint Maarten - SX).
