~/tools / spf-checker

SPF Checker

Check SPF record. Counts DNS lookups against the 10-lookup limit, flags `+all` security holes, and identifies common mistakes.

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[ WARNING ] Soft fail (~all). Unauthorized senders flagged but not rejected. Consider -all for stronger protection.
── output ─────
v=spf1 include:mailswitch.nl include:spf.anachron.com include:amazonses.com ip4:77.74.54.26 ip4:185.43.125.61 include:spf.protection.outlook.com include:rlyhosts.be ~all
DNS lookups
5 / 10
All mechanism
~all
Includes (5)
mailswitch.nl, spf.anachron.com, amazonses.com, spf.protection.outlook.com, rlyhosts.be
IP4 (2)
77.74.54.26, 185.43.125.61
IP6 (0)
// Save telegraaf.nl → we'll run this daily and alert on changes. /signup →