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ViewDNS.info vs DNSChecker: catalog facts
ViewDNS.info	DNSChecker
Freemium The web tools are free; API access and research data are sold on paid plans.	Free Free to use in the browser.
Web	Web
Many DNS, WHOIS and IP tools in one place Historical data such as IP history and reverse WHOIS	Shows results from many resolvers in different countries at once Covers a wide range of record types, including DNSSEC records
Some features such as dark mode need an account API and data products are paid	Shows what resolvers return but does not diagnose configuration errors
Web application, Hosted service	Web application
Closed source	Closed source
License not stated	License not stated
No account 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.