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DotTR logo.svg
Introduced17 September 1990
TLD typeCountry code top-level domain
RegistryNIC.TR (run by Middle East Technical University) Domain Registry (managed by Middle East Technical University Computer Center DNS Group)
Intended useEntities connected with  Turkey
Actual useVery popular in Turkey, especially subdomain (as of 19 February 2008, there were 103,175 registrations); gets some other uses related to Turkey
Registered domains403,394 (Feb 21, 2019)[1]
Registration restrictionsVarying restrictions on generic 3rd-level subdomain names; registrant must be located in Turkey or have a representative there
StructureSecond-level registrations were initially prohibited; registrations are made directly at the third level beneath generic-category 2nd level domains, with the exception of the registrar website (
Dispute policiesUDRP

.tr is the Internet country code top-level domain (ccTLD) for Turkey. It is administered by NIC.TR (under Middle East Technical University) Computer Center and Turkey Internet Society (Local Chapter of ISOC). and are used as second-level domains for the Turkish Republic of Northern Cyprus, which is a self declared state and not recognised by the United Nations, and as such has no country code assigned.


As of March 2017, around 15.53% of all the .tr domains were served via secured HTTPS protocol, with the Let's Encrypt Authority X3 being the most popular SSL certificate.[2] Microsoft-IIS is the most popular web server, serving 35.31% of the .tr domains, followed by Apache serving 35.14% of the total .tr domains.[2]


Second-level, the official registry's domain, is the only second-level domain under this TLD; other second-level domains are prohibited.


Several third-level domains are present under .tr:

See also


  1. ^ "İstatistikler". NIC.TR. Archived from the original on 2016-03-12. Retrieved 2021-09-01.
  2. ^ a b "Türkiye internet istatistikleri.". (in Turkish). Archived from the original on 2017-03-02. Retrieved 2017-03-01.