What is .security?
ICANN's records put the delegation of .security on September 17, 2015. Like most of the newer endings, it was applied for in the 2012 New gTLD Program round and its registry agreement was signed on May 14, 2015.
XYZ.COM LLC operates a large portfolio of 35 TLDs, including .audio, .auto, .autos, .baby and .beauty.
Under the hood, the root zone points to 4 name servers for .security, every one of them reachable over IPv6. The delegation is DNSSEC-signed, so resolvers can verify that answers for .security haven't been tampered with on the way. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.security).
Same registry, other endings
34 other TLDs share this operator.
.security FAQ
What does .security mean?
.security is a generic top-level domain named for the word "security", and it's aimed at tech & startups. It doesn't belong to any country.
What is .security used for?
.security is mostly used for tech & startups. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .security?
None. .security is a generic top-level domain, so it isn't tied to any country.
Who owns the .security domain extension?
XYZ.COM LLC operates .security as its registry, under a registry agreement with ICANN.
When was .security created?
.security was delegated to the DNS root zone on September 17, 2015.
Is .security a valid domain?
Yes. .security is an active top-level domain in the DNS root zone, delegated in 2015, so .security addresses work in every browser.
Can I buy a .security domain?
.security names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read XYZ.COM LLC's policy if you're unsure.
Is .security DNSSEC-signed?
Yes, the root zone holds a DS record for .security.
Sources
Data from IANA root zone version 2026102000. Last changed August 12, 2025. Spotted something wrong? Tell us.