All TLDs / .aq
What is .aq?
Registry operator: Antarctica Network Information Centre Limited — per the IANA root database.
Source: IANA root zone database, checked August 23, 2026.
Is .aq a real domain extension?
Yes — .aq 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 .aq?
.aq is operated by Antarctica Network Information Centre Limited, the registry responsible for Antarctica, per the IANA root database.
What is .aq used for?
.aq is the extension tied to Antarctica. Many country codes are also used generically for branding when the letters spell something useful.
Can anyone register a .aq domain?
Generally yes — .aq 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.
.aq and Antarctica
.aq is the country-code top-level domain assigned to Antarctica, administered by the registry Antarctica Network Information Centre Limited.
.aq is the Internet country code top-level domain (ccTLD) for Antarctica. It is derived from the French Antarctique and is reserved for organizations that work in Antarctica or promote the Antarctic and Southern Ocean regions. It is administered by Peter Mott of Antarctica Network Information Centre Limited from Christchurch, New Zealand.
Source: Wikipedia — .aq (CC BY-SA)
Check if you can register a .aq domain
Not sure this is the right extension? Start from what you’re building, or compare it on the full TLD list.