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DNSViz vs intoDNS: catalog facts
DNSViz	intoDNS
Free Free to use online and open source under GPL-2.0.	Free Free to use in the browser.
macOS, Linux, Web, Command line	Web
Graphs the DNSSEC chain of trust in a way that is easy to follow Lists detected configuration errors	Single report covering DNS and mail servers Gives fix suggestions with links to the protocol documentation
Focused on DNSSEC rather than general DNS or mail checks The graphs take some DNS knowledge to read	Checks one domain at a time with no monitoring No DNSSEC visualization or propagation view
Downloadable app, Web application	Web application
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	No account needed
Not stated if it works offline	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.