What is .fun?
.fun entered the DNS root zone on December 21, 2016, 9 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.
Radix Technologies Inc SEZC also runs 9 other TLDs, including .host, .online, .press, .site and .space.
On the technical side, .fun is served by 4 authoritative name servers, every one of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .fun, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.fun).
Same registry, other endings
9 other TLDs share this operator.
.fun FAQ
What does .fun mean?
.fun is a generic top-level domain named for the word "fun", and it's aimed at lifestyle & personal. It doesn't belong to any country.
What is .fun used for?
.fun is mostly used for lifestyle & personal. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .fun?
None. .fun is a generic top-level domain, so it isn't tied to any country.
Who owns the .fun domain extension?
Radix Technologies Inc SEZC operates .fun as its registry, under a registry agreement with ICANN.
When was .fun created?
.fun was delegated to the DNS root zone on December 21, 2016.
Is .fun a valid domain?
Yes. .fun is an active top-level domain in the DNS root zone, delegated in 2016, so .fun addresses work in every browser.
Can I buy a .fun domain?
.fun names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read Radix Technologies Inc SEZC's policy if you're unsure.
Is .fun DNSSEC-signed?
Yes, the root zone holds a DS record for .fun.
Sources
Data from IANA root zone version 2026102000. Last changed April 14, 2026. Spotted something wrong? Tell us.