All TLDs / .neustar

What is .neustar?

The short answer
.neustar is a brand top-level domain, operated by NeuStar, 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
NeuStar, Inc

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

Is .neustar a real domain extension?

Yes — .neustar 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 .neustar?

.neustar is operated by NeuStar, Inc., per the IANA root database.

What is .neustar used for?

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

Can anyone register a .neustar domain?

No. .neustar 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.