~/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:sendgrid.net include:_spf.google.com include:_spf.atlassian.net include:spf-0098b101.pphosted.com ip4:18.159.145.12 ip4:18.156.64.82 ip4:54.77.2.88 ip4:54.72.124.243 -all
DNS lookups
4 / 10
All mechanism
-all
Includes (4)
sendgrid.net, _spf.google.com, _spf.atlassian.net, spf-0098b101.pphosted.com
IP4 (4)
18.159.145.12, 18.156.64.82, 54.77.2.88, 54.72.124.243
IP6 (0)
// Save klarna.com → we'll run this daily and alert on changes. /signup →