All TLDs / .seat

What is .seat?

The short answer
.seat is a brand top-level domain, operated by SEAT, S.A. (Sociedad Unipersonal). 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
SEAT, S.A. (Sociedad Unipersonal)

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

Is .seat a real domain extension?

Yes — .seat 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 .seat?

.seat is operated by SEAT, S.A. (Sociedad Unipersonal), per the IANA root database.

What is .seat used for?

.seat is a dot-brand registry — it's reserved for SEAT, S.A. (Sociedad Unipersonal) and isn't used for third-party websites.

Can anyone register a .seat domain?

No. .seat 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.