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DNSDumpster vs ViewDNS.info: catalog facts
DNSDumpster	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
Nothing to install Quick overview of a domain's visible hosts	Many DNS, WHOIS and IP tools in one place Historical data such as IP history and reverse WHOIS
Intended for authorized testing and checking your own domains Results depend on publicly available DNS data	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
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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