~/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:spf-imr.rabobank.nl include:spf.protection.outlook.com include:spf.eu.mailmarshal.cloud include:spf.serverbeheer.faceworks.nl ip4:145.72.121.0/24 ip4:83.137.145.128/25 ip4:54.229.31.57 -all
DNS lookups
4 / 10
All mechanism
-all
Includes (4)
spf-imr.rabobank.nl, spf.protection.outlook.com, spf.eu.mailmarshal.cloud, spf.serverbeheer.faceworks.nl
IP4 (3)
145.72.121.0/24, 83.137.145.128/25, 54.229.31.57
IP6 (0)
// Save rabobank.nl → we'll run this daily and alert on changes. /signup →