All TLDs / .ibm

What is .ibm?

The short answer
.ibm is a brand top-level domain, operated by International Business Machines Corporation. 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
International Business Machines Corporation

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

Is .ibm a real domain extension?

Yes — .ibm 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 .ibm?

.ibm is operated by International Business Machines Corporation, per the IANA root database.

What is .ibm used for?

.ibm is a dot-brand registry — it's reserved for International Business Machines Corporation and isn't used for third-party websites.

Can anyone register a .ibm domain?

No. .ibm 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.