.int Domain WHOIS & RDAP Lookup

.int is a sponsored top-level domain (sTLD). Look up any .int domain on W.is to see the organization that holds it and its name servers over RDAP, with WHOIS as a fallback.

Example lookup: who.int

.int TLD facts

Property	Value
TLD	.int
Type	Sponsored TLD (sTLD)
Status	Active
WHOIS server	`whois.iana.org`All 2 TLDs using whois.iana.org
RDAP endpoint	`https://rdap.iana.org/domain/`RDAP server directory
IANA record updated	March 10, 2026
IANA record	.int in the IANA root zone database

How to look up a .int domain

The quickest way is to type the domain into the search box above: W.is queries the .int registry and shows the result in a readable format. You can also query the registry yourself from a terminal.

RDAP lookup

The .int RDAP endpoint is https://rdap.iana.org/domain/. RDAP returns structured JSON over HTTPS (RFC 9082 and RFC 9083); append the domain name to the endpoint:

curl -H 'Accept: application/rdap+json' https://rdap.iana.org/domain/example.int

WHOIS lookup

The .int WHOIS server listed by IANA is whois.iana.org. WHOIS (RFC 3912) is the older plain-text protocol on TCP port 43:

whois -h whois.iana.org example.int

Which protocol does W.is use?

W.is queries RDAP first for .int domains and falls back to WHOIS when the RDAP server returns an error or leaves out data.

New to the protocols? Read what RDAP is and how it compares in RDAP vs WHOIS.

Other TLDs using whois.iana.org

The WHOIS server whois.iana.org answers for 2 TLDs, including .int. The other one is:

.arpa

See all TLDs using whois.iana.org in the WHOIS server list

Frequently asked questions

What is the WHOIS server for .int?

The WHOIS server for .int is whois.iana.org, as listed in the IANA root zone database. It answers queries on TCP port 43 (for example, whois -h whois.iana.org example.int). The .int registry also offers RDAP, which W.is queries first.

Does .int support RDAP?

Yes. The .int RDAP endpoint is https://rdap.iana.org/domain/. Append a domain name to it to get the registration data as JSON. W.is uses this endpoint first for every .int lookup.

Who manages .int domains?

.int names are assigned directly by IANA; there are no registrars. The .int RDAP/WHOIS record names the intergovernmental organization that holds the domain.

Do .int domains expire?

No. .int delegations are not sold for a fixed term, so there is no public expiration date to renew.

Full list of top-level domains with their WHOIS and RDAP servers
RDAP server list: every RDAP endpoint and the TLDs it serves
WHOIS server list: port-43 WHOIS servers by TLD
What is RDAP? An introduction to the protocol that is replacing WHOIS
Domain status codes explained, such as clientTransferProhibited