All TLDs / .grainger

What is .grainger?

The short answer
.grainger is a brand top-level domain, operated by Grainger Registry Services, LLC. 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
Grainger Registry Services, LLC

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

Is .grainger a real domain extension?

Yes — .grainger 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 .grainger?

.grainger is operated by Grainger Registry Services, LLC, per the IANA root database.

What is .grainger used for?

.grainger is a dot-brand registry — it's reserved for Grainger Registry Services, LLC and isn't used for third-party websites.

Can anyone register a .grainger domain?

No. .grainger 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.