What is .int?
On the technical side, .int is served by 6 authoritative name servers, 5 of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .int, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.iana.org).
.int FAQ
What does .int stand for?
.int stands for "international".
What is .int used for?
.int 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 .int?
None. .int is a generic top-level domain, so it isn't tied to any country.
Who owns the .int domain extension?
Internet Assigned Numbers Authority operates .int as its registry, under a registry agreement with ICANN.
Is .int a valid domain?
Yes. .int is an active top-level domain in the DNS root zone, so .int addresses work in every browser.
Can I buy a .int domain?
Not on the open market. .int is restricted to eligible international treaty organizations, and every request is checked by Internet Assigned Numbers Authority.
Is .int DNSSEC-signed?
Yes, the root zone holds a DS record for .int.
Sources
Data from IANA root zone version 2026102000. Last changed March 10, 2026. Spotted something wrong? Tell us.
