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whatsmydns.net vs Check-Host: catalog facts
whatsmydns.net	Check-Host
Free Free to use, with an option to donate.	Free The checks are used in the browser at no cost.
Web	Web
Checks many record types including MX, TXT and CAA Results from servers in many countries at once	Checks run from many locations around the world at once Covers ping, HTTP, TCP, UDP and DNS in one place
Shows a sample of resolvers, not every network Web only, with no scripting interface described	Web service only, with no self-hosted version Page carries advertising for hosting services
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.