All TLDs / .ieee

What is .ieee?

The short answer
.ieee is a brand top-level domain, operated by IEEE Global 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
IEEE Global LLC

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

Is .ieee a real domain extension?

Yes — .ieee 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 .ieee?

.ieee is operated by IEEE Global LLC, per the IANA root database.

What is .ieee used for?

.ieee is a dot-brand registry — it's reserved for IEEE Global LLC and isn't used for third-party websites.

Can anyone register a .ieee domain?

No. .ieee 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.