What is .frontier?
Brand TLDs operate under Specification 13 of ICANN's registry agreement. It lets a trademark owner keep every second-level name for itself, so you won't find .frontier names for sale at any registrar.
.frontier entered the DNS root zone on February 6, 2016, 10 years ago. It came out of ICANN's New gTLD Program, the 2012 application round that grew the root from 22 generic TLDs to well over a thousand.
Frontier Communications Corporation also runs one other TLD, including .ftr.
On the technical side, .frontier is served by 6 authoritative name servers, every one of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .frontier, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP.
Same registry, other endings
1 other TLD shares this operator.
.frontier FAQ
What country is .frontier?
None. .frontier is a generic top-level domain, so it isn't tied to any country.
Who owns the .frontier domain extension?
Frontier Communications Corporation operates .frontier as its registry, under a registry agreement with ICANN.
When was .frontier created?
.frontier was delegated to the DNS root zone on February 6, 2016.
Is .frontier a valid domain?
Yes. .frontier is an active top-level domain in the DNS root zone, delegated in 2016, so .frontier addresses work in every browser.
Can I buy a .frontier domain?
No. .frontier is a brand TLD under ICANN Specification 13, so names are reserved for Frontier Communications Corporation.
Is .frontier DNSSEC-signed?
Yes, the root zone holds a DS record for .frontier.
Sources
Data from IANA root zone version 2026102000. Last changed May 11, 2024. Spotted something wrong? Tell us.