Compare software

Who.is vs Whois.com Lookup: catalog facts
Who.is	Whois.com Lookup
Freemium Lookups are free; domain history reports and monitoring are paid services.	Free Lookups are free on the website.
Web	Web
WHOIS, RDAP, DNS and IP lookups in one site Reverse nameserver lookup	Looks up both domain names and IP addresses Shows registrar, dates and nameservers in one result
Full domain history requires a paid report Monitoring is a premium service	Owner details depend on what the registry publishes and are often redacted
Web application, Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account 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.