~/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 ip4:93.17.128.0/24 ip4:198.2.187.67 ip4:52.36.127.248 ip4:86.64.210.3 ip4:86.64.210.5 ip4:86.64.210.19 ip4:86.64.210.79 ip4:86.64.210.153 ip4:86.64.210.154 ip4:195.62.75.16/29 include:spf1.sfr.fr -all
DNS lookups
1 / 10
All mechanism
-all
Includes (1)
spf1.sfr.fr
IP4 (10)
93.17.128.0/24, 198.2.187.67, 52.36.127.248, 86.64.210.3, 86.64.210.5, 86.64.210.19, 86.64.210.79, 86.64.210.153, 86.64.210.154, 195.62.75.16/29
IP6 (0)
// Save sfr.fr → we'll run this daily and alert on changes. /signup →