All TLDs / .kr

What is .kr?

The short answer
.kr is the country-code top-level domain assigned to South Korea, run by Korea Internet & Security Agency (KISA). 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 (South Korea)
Registration
Open to public
In DNS root
Yes
Operator
Korea Internet & Security Agency (KISA)

Source: IANA root zone database, checked October 18, 2026.

Is .kr a real domain extension?

Yes — .kr 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 .kr?

.kr is operated by Korea Internet & Security Agency (KISA), the registry responsible for South Korea, per the IANA root database.

What is .kr used for?

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

Can anyone register a .kr domain?

Generally yes — .kr 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.

.kr and South Korea

.kr is the country-code top-level domain assigned to South Korea, administered by the registry Korea Internet & Security Agency (KISA).

.kr is the Internet country code top-level domain (ccTLD) for South Korea. Registrations are processed via registration agents.

Source: Wikipedia — .kr (CC BY-SA)

Check if you can register a .kr domain