All TLDs / .gb

What is .gb?

.gb is the country-code top-level domain assigned to United Kingdom, run by Reserved Domain - IANA. 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 (United Kingdom)
Registration
Open to public
In DNS root
Yes

Registry operator: Reserved Domain - IANA — per the IANA root database.

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

Is .gb a real domain extension?

Yes — .gb 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 .gb?

.gb is operated by Reserved Domain - IANA, the registry responsible for United Kingdom, per the IANA root database.

What is .gb used for?

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

Can anyone register a .gb domain?

Generally yes — .gb 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.

.gb and United Kingdom

.gb is the country-code top-level domain assigned to United Kingdom, administered by the registry Reserved Domain - IANA.

.gb is a reserved Internet country code top-level domain (ccTLD) for the United Kingdom, derived from Great Britain.

Source: Wikipedia — .gb (CC BY-SA)

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