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MXToolbox vs Internet.nl: catalog facts
MXToolbox	Internet.nl
Freemium Lookups on the site are free to use, with paid plans offered alongside.	Free Free to use online.
Web	Web, Self-hosted
Many email and DNS checks in one place MX lookups query the authoritative server directly	Tests website, email and connection setup in one place Covers IPv6, DNSSEC, TLS, DMARC, DANE and RPKI
Pages carry prompts for the paid service Each check runs separately rather than as one combined report	Checks standards compliance rather than site speed or content The score reflects the project's own weighting of standards
Web application	Web application, Self-hosted
Closed source	Closed source
License not stated	License not stated
No account 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.