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Whois.com Lookup vs Who.is: catalog facts
Whois.com Lookup	Who.is
Free Lookups are free on the website.	Freemium Lookups are free; domain history reports and monitoring are paid services.
Web	Web
Looks up both domain names and IP addresses Shows registrar, dates and nameservers in one result	WHOIS, RDAP, DNS and IP lookups in one site Reverse nameserver lookup
Owner details depend on what the registry publishes and are often redacted	Full domain history requires a paid report Monitoring is a premium service
Web application	Web application, Hosted service
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.