List of domain extensions

.seat

.seat is a brand extension, run by SEAT, S.A. (Sociedad Unipersonal) since 2015. Only SEAT, S.A. (Sociedad Unipersonal), its affiliates and trademark licensees can register .seat names; they are not for sale to the public.

TypeBrand
Registry operatorSEAT, S.A. (Sociedad Unipersonal)
Who can registerBrand owner only
Brand extension: only the registry operator, its affiliates and trademark licensees register names.
In the root zone since18 April 2015
DNSSECSigned
RDAP serverhttps://rdap.nic.seat/
WHOIS serverwhois.nic.seat
IANA recordiana.org/domains/root/db/seat

Look up a .seat domain

The .seat registry publishes registration data over RDAP. The free domain report reads it and shows a .seat domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.

New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.

Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.

Frequently asked questions

Who runs the .seat extension?

SEAT, S.A. (Sociedad Unipersonal) is the registry operator for .seat. The registry keeps the list of every .seat name; registrars sell the names to the public.

Can anyone register a .seat domain?

Only SEAT, S.A. (Sociedad Unipersonal), its affiliates and trademark licensees can register .seat names; they are not for sale to the public.

When was .seat created?

.seat was added to the DNS root zone on 18 April 2015, according to IANA.

How do I look up who owns a .seat domain?

The .seat registry publishes registration data over RDAP at https://rdap.nic.seat/ and over WHOIS at whois.nic.seat. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .seat signed with DNSSEC?

Yes. The .seat zone is signed, so a .seat domain can turn on DNSSEC once its registrar adds a DS record.