~/tools / spf-checker

SPF Checker

Check SPF record. Counts DNS lookups against the 10-lookup limit, flags `+all` security holes, and identifies common mistakes.

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[ OK ] Strict SPF (-all). Unauthorized senders are rejected.
── output ─────
v=spf1 include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -all
DNS lookups
3 / 10
All mechanism
-all
Includes (3)
spf1.amazon.com, spf2.amazon.com, amazonses.com
IP4 (0)
IP6 (0)
// Save amazon.com → we'll run this daily and alert on changes. /signup →