What is .coop?
.coop is one of the older generic TLDs: ICANN records its delegation as December 20, 2001, long before the 2012 expansion.
DotCooperation LLC also runs one other TLD, including .creditunion.
On the technical side, .coop 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 .coop, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.coop).
Same registry, other endings
1 other TLD shares this operator.
.coop FAQ
What does .coop stand for?
.coop stands for "cooperative". It's one of the older generic TLDs, delegated in 2001.
What is .coop used for?
.coop is mostly used for government & institutions. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .coop?
None. .coop is a generic top-level domain, so it isn't tied to any country.
Who owns the .coop domain extension?
DotCooperation LLC operates .coop as its registry, under a registry agreement with ICANN.
When was .coop created?
.coop was delegated to the DNS root zone on December 20, 2001.
Is .coop a valid domain?
Yes. .coop is an active top-level domain in the DNS root zone, delegated in 2001, so .coop addresses work in every browser.
Can I buy a .coop domain?
.coop names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read DotCooperation LLC's policy if you're unsure.
Is .coop DNSSEC-signed?
Yes, the root zone holds a DS record for .coop.
Sources
Data from IANA root zone version 2026102000. Last changed March 10, 2026. Spotted something wrong? Tell us.
