~/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:mail.zendesk.com include:_spf.google.com include:mktomail.com include:_spf.salesforce.com include:_spf-ip.gitlab.com a:zgateway.zuora.com include:mailgun.org include:_spf.sendergen.com ip4:35.80.141.6/32 ip4:44.229.121.55/32 -all
DNS lookups
8 / 10
All mechanism
-all
Includes (7)
mail.zendesk.com, _spf.google.com, mktomail.com, _spf.salesforce.com, _spf-ip.gitlab.com, mailgun.org, _spf.sendergen.com
IP4 (2)
35.80.141.6/32, 44.229.121.55/32
IP6 (0)
// Save gitlab.com → we'll run this daily and alert on changes. /signup →