All TLDs / .nab

What is .nab?

The short answer
.nab is a brand top-level domain, operated by National Australia Bank 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
National Australia Bank Limited

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

Is .nab a real domain extension?

Yes — .nab 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 .nab?

.nab is operated by National Australia Bank Limited, per the IANA root database.

What is .nab used for?

.nab is a dot-brand registry — it's reserved for National Australia Bank Limited and isn't used for third-party websites.

Can anyone register a .nab domain?

No. .nab 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.