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DNSChecker vs ViewDNS.info: catalog facts
DNSChecker	ViewDNS.info
Free Free to use in the browser.	Freemium The web tools are free; API access and research data are sold on paid plans.
Web	Web
Shows results from many resolvers in different countries at once Covers a wide range of record types, including DNSSEC records	Many DNS, WHOIS and IP tools in one place Historical data such as IP history and reverse WHOIS
Shows what resolvers return but does not diagnose configuration errors	Some features such as dark mode need an account API and data products are paid
Web application	Web application, Hosted service
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.