List of domain extensions

.citi

.citi is a brand extension, run by Citigroup Inc. since 2016. Only Citigroup Inc., its affiliates and trademark licensees can register .citi names; they are not for sale to the public.

TypeBrand
Registry operatorCitigroup Inc.
Who can registerBrand owner only
Brand extension: only the registry operator, its affiliates and trademark licensees register names.
In the root zone since28 July 2016
DNSSECSigned
RDAP serverhttps://rdap.nic.citi/
WHOIS serverNone listed
IANA recordiana.org/domains/root/db/citi

Look up a .citi domain

The .citi registry publishes registration data over RDAP. The free domain report reads it and shows a .citi domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.

More extensions from Citigroup Inc.

.banamexBrand · 2016

New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.

Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.

Frequently asked questions

Who runs the .citi extension?

Citigroup Inc. is the registry operator for .citi. The registry keeps the list of every .citi name; registrars sell the names to the public.

Can anyone register a .citi domain?

Only Citigroup Inc., its affiliates and trademark licensees can register .citi names; they are not for sale to the public.

When was .citi created?

.citi was added to the DNS root zone on 28 July 2016, according to IANA.

How do I look up who owns a .citi domain?

The .citi registry publishes registration data over RDAP at https://rdap.nic.citi/. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .citi signed with DNSSEC?

Yes. The .citi zone is signed, so a .citi domain can turn on DNSSEC once its registrar adds a DS record.