What is .blue?
ICANN's records put the delegation of .blue on February 5, 2014. Like most of the newer endings, it was applied for in the 2012 New gTLD Program round and its registry agreement was signed on November 7, 2013.
Identity Digital Domains Limited also runs 23 other TLDs, including .archi, .bet, .bio, .black and .global.
Under the hood, the root zone points to 5 name servers for .blue, every one of them reachable over IPv6. The delegation is DNSSEC-signed, so resolvers can verify that answers for .blue haven't been tampered with on the way. Registration data is published over RDAP.
Same registry, other endings
23 other TLDs share this operator.
.blue FAQ
What does .blue mean?
.blue is a generic top-level domain named for the word "blue", and it's aimed at lifestyle & personal. It doesn't belong to any country.
What is .blue used for?
.blue 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 .blue?
None. .blue is a generic top-level domain, so it isn't tied to any country.
Who owns the .blue domain extension?
Identity Digital Domains Limited operates .blue as its registry, under a registry agreement with ICANN.
When was .blue created?
.blue was delegated to the DNS root zone on February 5, 2014.
Is .blue a valid domain?
Yes. .blue is an active top-level domain in the DNS root zone, delegated in 2014, so .blue addresses work in every browser.
Can I buy a .blue domain?
.blue names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read Identity Digital Domains Limited's policy if you're unsure.
Is .blue DNSSEC-signed?
Yes, the root zone holds a DS record for .blue.
Sources
Data from IANA root zone version 2026102000. Last changed October 13, 2026. Spotted something wrong? Tell us.
