~/tools / spf-checker

SPF Checker

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

>
[ OK ] Strict SPF (-all). Unauthorized senders are rejected.
── output ─────
v=spf1 mx include:amazonses.com include:_spf.google.com -all
DNS lookups
3 / 10
All mechanism
-all
Includes (2)
amazonses.com, _spf.google.com
IP4 (0)
IP6 (0)
// Save coolblue.nl → we'll run this daily and alert on changes. /signup →