All TLDs / .cisco

What is .cisco?

The short answer
.cisco is a brand top-level domain, operated by Cisco Technology, 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
Cisco Technology, Inc

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

Is .cisco a real domain extension?

Yes — .cisco 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 .cisco?

.cisco is operated by Cisco Technology, Inc., per the IANA root database.

What is .cisco used for?

.cisco is a dot-brand registry — it's reserved for Cisco Technology, Inc. and isn't used for third-party websites.

Can anyone register a .cisco domain?

No. .cisco 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.