Which country uses the .su domain?
.su is the country code top-level domain for Russia
.su is the internet country code top-level domain (ccTLD) for Russia, whose capital is Moscow. It is derived from Russia’s ISO 3166-1 alpha-2 code, RU. A web address ending in .su signals a connection to Russia.
Russia at a glance
Frequently asked questions
Which country uses the .su domain?
.su is the country code top-level domain (ccTLD) for Russia.
What does .su stand for?
.su is the internet country code for Russia, assigned under the ISO 3166-1 standard (Russia's two-letter code is RU). Websites ending in .su are associated with Russia.
What is the capital of Russia?
The capital of Russia is Moscow.
Looking for a different domain? See every country domain (ccTLD), or the Russia country profile.
ccTLD assignments from open datasets (IANA / ISO 3166-1). Sources on the data page.