~/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.profils.org include:_spf.mailer.twinfield.com include:_spf.salesforce.com include:spf.emsecure.net include:spf.protection.outlook.com include:_spf.mailplus.nl include:lms.plusport.com include:amazonses.com ip4:31.22.81.64/27 ip4:213.201.239.247 ip4:212.72.56.25 ip4:54.229.227.102 ip4:95.211.247.191 ip4:195.137.242.240 ip4:188.166.23.86 ip4:188.166.23.99 ip4:82.94.210.0/24 ip4:51.138.2.212 ip4:51.138.5.201 -all
DNS lookups
8 / 10
All mechanism
-all
Includes (8)
_spf.profils.org, _spf.mailer.twinfield.com, _spf.salesforce.com, spf.emsecure.net, spf.protection.outlook.com, _spf.mailplus.nl, lms.plusport.com, amazonses.com
IP4 (11)
31.22.81.64/27, 213.201.239.247, 212.72.56.25, 54.229.227.102, 95.211.247.191, 195.137.242.240, 188.166.23.86, 188.166.23.99, 82.94.210.0/24, 51.138.2.212, 51.138.5.201
IP6 (0)
// Save jumbo.com → we'll run this daily and alert on changes. /signup →