~/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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[ WARNING ] Soft fail (~all). Unauthorized senders flagged but not rejected. Consider -all for stronger protection.
── output ─────
v=spf1 ip4:198.22.123.0/24 ip4:168.94.230.0/24 ip4:198.22.122.4 ip4:198.22.122.6 include:spf.protection.outlook.com include:spf-002a6b01.pphosted.com include:spf-007f1401.pphosted.com ~all
DNS lookups
3 / 10
All mechanism
~all
Includes (3)
spf.protection.outlook.com, spf-002a6b01.pphosted.com, spf-007f1401.pphosted.com
IP4 (4)
198.22.123.0/24, 168.94.230.0/24, 198.22.122.4, 198.22.122.6
IP6 (0)
// Save bestbuy.com → we'll run this daily and alert on changes. /signup →