List of domain extensions

.comsec

.comsec is a generic extension, run by VeriSign, Inc. since 2015. Anyone can register a .comsec name through a registrar that sells it.

TypeGeneric
Registry operatorVeriSign, Inc.
Who can registerAnyone
In the root zone since16 November 2015
DNSSECSigned
RDAP serverhttps://tld-rdap.verisign.com/comsec/v1/
WHOIS serverwhois.nic.comsec
IANA recordiana.org/domains/root/db/comsec

Registrars that sell .comsec

Integrated

From the list of domain registrars. Other registrars may sell it too.

Look up a .comsec domain

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

More extensions from VeriSign, Inc.

.webGeneric · 2026
.verisignBrand · 2015

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 Something out of date?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 .comsec extension?

VeriSign, Inc. is the registry operator for .comsec. The registry keeps the list of every .comsec name; registrars sell the names to the public.

Can anyone register a .comsec domain?

Yes. Anyone can register a .comsec name through a registrar that sells it.

When was .comsec created?

.comsec was added to the DNS root zone on 16 November 2015, according to IANA.

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

The .comsec registry publishes registration data over RDAP at https://tld-rdap.verisign.com/comsec/v1/ and over WHOIS at whois.nic.comsec. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .comsec signed with DNSSEC?

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