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