List of domain extensions

.frontier

.frontier is a brand extension, run by Frontier Communications Corporation since 2016. Only Frontier Communications Corporation, its affiliates and trademark licensees can register .frontier names; they are not for sale to the public.

TypeBrand
Registry operatorFrontier Communications Corporation
Who can registerBrand owner only
Brand extension: only the registry operator, its affiliates and trademark licensees register names.
In the root zone since6 February 2016
DNSSECSigned
RDAP serverhttps://rdap.nic.frontier/
WHOIS serverNone listed
IANA recordiana.org/domains/root/db/frontier

Look up a .frontier domain

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

More extensions from Frontier Communications Corporation

.ftrGeneric · 2016

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 Something out of date?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 .frontier extension?

Frontier Communications Corporation is the registry operator for .frontier. The registry keeps the list of every .frontier name; registrars sell the names to the public.

Can anyone register a .frontier domain?

Only Frontier Communications Corporation, its affiliates and trademark licensees can register .frontier names; they are not for sale to the public.

When was .frontier created?

.frontier was added to the DNS root zone on 6 February 2016, according to IANA.

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

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

Is .frontier signed with DNSSEC?

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