All TLDs / .citi

What is .citi?

The short answer
.citi is a brand top-level domain, operated by Citigroup Inc. It's a “dot-brand” registry (ICANN Spec 13) — reserved for the operator's own use, so it isn't open for the public to register. It's live in the official IANA DNS root zone.
Type
Brand (dot-brand)
Registration
Closed (brand)
In DNS root
Yes
Operator
Citigroup Inc

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

Is .citi a real domain extension?

Yes — .citi 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 .citi?

.citi is operated by Citigroup Inc., per the IANA root database.

What is .citi used for?

.citi is a dot-brand registry — it's reserved for Citigroup Inc. and isn't used for third-party websites.

Can anyone register a .citi domain?

No. .citi is a closed brand registry, so it isn't available for public registration. A registrar search will confirm the current policy for any specific name.