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ViewDNS.info vs IPVoid: catalog facts
ViewDNS.info	IPVoid
Freemium The web tools are free; API access and research data are sold on paid plans.	Free The tools are used free of charge in the browser.
Web	Web
Many DNS, WHOIS and IP tools in one place Historical data such as IP history and reverse WHOIS	Many IP and DNS tools in one place IP blacklist check alongside geolocation and whois
Some features such as dark mode need an account API and data products are paid	Web only, so tests run from the site's servers rather than your network Each tool does a single check rather than ongoing monitoring
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 October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.