All TLDs / .cr

What is .cr?

The short answer
.cr is the country-code top-level domain assigned to Costa Rica, run by National Academy of Sciences (Academia Nacional de Ciencias). 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 (Costa Rica)
Registration
Open to public
In DNS root
Yes
Operator
National Academy of Sciences (Academia Nacional de Ciencias)

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

Is .cr a real domain extension?

Yes — .cr 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 .cr?

.cr is operated by National Academy of Sciences (Academia Nacional de Ciencias), the registry responsible for Costa Rica, per the IANA root database.

What is .cr used for?

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

Can anyone register a .cr domain?

Generally yes — .cr 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.

.cr and Costa Rica

.cr is the country-code top-level domain assigned to Costa Rica, administered by the registry National Academy of Sciences (Academia Nacional de Ciencias).

.cr is the country code top-level domain (ccTLD) of Costa Rica.

Source: Wikipedia — .cr (CC BY-SA)

Check if you can register a .cr domain