List of domain extensions

.cisco

.cisco is a brand extension, run by Cisco Technology, Inc. since 2015. Only Cisco Technology, Inc., its affiliates and trademark licensees can register .cisco names; they are not for sale to the public.

TypeBrand
Registry operatorCisco Technology, Inc.
Who can registerBrand owner only
Brand extension: only the registry operator, its affiliates and trademark licensees register names.
In the root zone since15 May 2015
DNSSECSigned
RDAP serverhttps://rdap.nic.cisco/
WHOIS serverNone listed
IANA recordiana.org/domains/root/db/cisco

Look up a .cisco domain

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

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 Something out of date?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 .cisco extension?

Cisco Technology, Inc. is the registry operator for .cisco. The registry keeps the list of every .cisco name; registrars sell the names to the public.

Can anyone register a .cisco domain?

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

When was .cisco created?

.cisco was added to the DNS root zone on 15 May 2015, according to IANA.

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

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

Is .cisco signed with DNSSEC?

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