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Whois.com Lookup vs ICANN Lookup: catalog facts
Whois.com Lookup	ICANN Lookup
Free Lookups are free on the website.	Free Free public lookup service run by ICANN.
Web	Web
Looks up both domain names and IP addresses Shows registrar, dates and nameservers in one result	Run by ICANN rather than a registrar or advertiser Uses RDAP instead of scraping WHOIS
Owner details depend on what the registry publishes and are often redacted	Only shows registration data, with no DNS or mail diagnostics
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.