All TLDs / .tab

What is .tab?

The short answer
.tab is a brand top-level domain, operated by Tabcorp Holdings Limited. 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
Tabcorp Holdings Limited

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

Is .tab a real domain extension?

Yes — .tab 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 .tab?

.tab is operated by Tabcorp Holdings Limited, per the IANA root database.

What is .tab used for?

.tab is a dot-brand registry — it's reserved for Tabcorp Holdings Limited and isn't used for third-party websites.

Can anyone register a .tab domain?

No. .tab 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.