~/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.ah.nl include:spf.protection.outlook.com include:eu.mailgun.org include:sendgrid.net include:spf.mailjet.com include:nw010.com include:_spf-dc57.sapsf.eu -all
DNS lookups
7 / 10
All mechanism
-all
Includes (7)
_spf.ah.nl, spf.protection.outlook.com, eu.mailgun.org, sendgrid.net, spf.mailjet.com, nw010.com, _spf-dc57.sapsf.eu
IP4 (0)
IP6 (0)
// Save ah.nl → we'll run this daily and alert on changes. /signup →