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Internet.nl vs Hardenize: catalog facts
Internet.nl	Hardenize
Free Free to use online.	Freemium The public report is free; continuous monitoring is a paid service.
Web, Self-hosted	Web
Tests website, email and connection setup in one place Covers IPv6, DNSSEC, TLS, DMARC, DANE and RPKI	Free public configuration report for any domain Continuous certificate and perimeter monitoring for organisations
Checks standards compliance rather than site speed or content The score reflects the project's own weighting of standards	Monitoring features are aimed at organisations rather than individuals Little public detail about pricing
Web application, Self-hosted	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.