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Domain WHOIS and RDAP: Inspecting Registrar and DNS Records
August 15, 2026 · DevTools
whois
dns
rdap
domains
networking
Domain WHOIS and RDAP: Inspecting Registrar and DNS Records
WHOIS and RDAP (Registration Data Access Protocol) provide public registry information regarding domain ownership, registrar details, registration dates, and active nameservers.
Query domain registration data with the WHOIS Lookup tool.
Key WHOIS Fields to Monitor
- Domain Expiry Date: Essential for avoiding accidental domain lapses.
- Registrar Lock Status: Flags like
clientTransferProhibitedprevent unauthorized domain hijacking. - Authoritative Name Servers: Verify active DNS delegation.
Query domain registration and DNS records using the WHOIS Lookup.