~/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 ip4:160.83.0.0/16 ip4:129.35.231.144/28 -all
DNS lookups
0 / 10
All mechanism
-all
Includes (0)
—
IP4 (2)
160.83.0.0/16, 129.35.231.144/28
IP6 (0)
—
// Save deutsche-bank.de → we'll run this daily and alert on changes. /signup →