The official RDAP service is checked first because it provides structured registration data over HTTPS.
Domain registration data
Find the public registration details behind a domain.
We start with the official RDAP service and use registry WHOIS where RDAP is unavailable. Personal contact data is never displayed.
WHOIS / RDAP
WHOIS / RDAP
How the lookup works
If RDAP is unavailable, the registrar WHOIS service is checked for public operational fields.
If registry WHOIS is sparse, DNS delegation and registry availability checks complete the operational result.
