~/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 include:mail.ziggo.com include:rnmk.com -all
DNS lookups
2 / 10
All mechanism
-all
Includes (2)
mail.ziggo.com, rnmk.com
IP4 (0)
IP6 (0)
// Save vodafone.nl → we'll run this daily and alert on changes. /signup →