gTLD Query Tools
WHOIS
Domain name lookup tools for each TLD are available at whois.nic.“TLD” or port 80 for the web WHOIS and port 43 for the WHOIS.
For example, for .cymru – whois.nic.cymru
Eligibility and usage
These services are available to any individual or organisation, provided the relevant policies are followed. Access may be withdrawn at any time.
The normal acceptable uses are:
- Checking the availability of a domain name
- To find out the registrant’s details for a domain name that is already registered.
RDAP
Registration Data Access Protocol
Registration Data Access Protocol (RDAP) will in time replace the Whois protocol. Nominet’s RDAP service follows the following standards:
RDAP service | ||
---|---|---|
RFC 7480 | HTTP Usage in the Registration Data Access Protocol (RDAP) | |
RFC 7481 | Security Services for the Registration Data Access Protocol (RDAP) | |
RFC 7482 | Registration Data Access Protocol (RDAP) Query Format | Errata |
RFC 7483 | JSON Responses for the Registration Data Access Protocol (RDAP) | Errata |
RFC 7484 | Finding the Authoritative Registration Data (RDAP) Service | Errata, Updated by RFC 8521 |
RFC 8056 | Extensible Provisioning Protocol (EPP) and Registration Data Access Protocol (RDAP) Status Mapping | |
RFC 8605 | vCard Format Extensions: ICANN Extensions for the Registration Data Access Protocol (RDAP) | |
Profile February 2019 | ICANN gTLD Profile, February 2019. |
More information on RDAP can be found on the ICANN web site https://www.icann.org/rdap
Nominet’s RDAP service is available at https://rdap.nominet.uk/{TLD}/{type}/{object}.
For example to query the nic.cymru domain you would use https://rdap.nominet.uk/cymru/domain/nic.cymru
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