All TLDs / .by

What is .by?

.by is the country-code top-level domain assigned to Belarus, run by Belarusian Cloud Technologies LLC. It's live in the IANA DNS root zone. Registration is open through accredited registrars, though some country registries add local-presence or ID requirements.
Type
Country code (Belarus)
Registration
Open to public
In DNS root
Yes

Registry operator: Belarusian Cloud Technologies LLC — per the IANA root database.

Source: IANA root zone database, checked August 23, 2026.

Is .by a real domain extension?

Yes — .by is a real top-level domain. It's present in the official IANA DNS root zone, which is the authoritative list of every live TLD on the internet.

Who runs .by?

.by is operated by Belarusian Cloud Technologies LLC, the registry responsible for Belarus, per the IANA root database.

What is .by used for?

.by is the extension tied to Belarus. Many country codes are also used generically for branding when the letters spell something useful.

Can anyone register a .by domain?

Generally yes — .by is open through accredited registrars, though some country registries require local presence or ID. Availability of a specific name depends on whether it's already taken.

.by and Belarus

.by is the country-code top-level domain assigned to Belarus, administered by the registry Belarusian Cloud Technologies LLC.

.by is the Internet country code top-level domain (ccTLD) for Belarus. It is administered by the Operations and Analysis Centre under the President of the Republic of Belarus. The BY code originates from the ISO code for Byelorussia, the former name of the country. The ccTLD was created for Belarus on 10 May 1994.

Source: Wikipedia — .by (CC BY-SA)

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