~/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 a:production.store.mns.demandware.net ip4:194.221.14.0/24 ip4:194.145.22.64 ip4:54.227.64.76 include:spf-0070d201.pphosted.com include:spf.protection.outlook.com include:authsmtp.com include:sendgrid.net -all
DNS lookups
5 / 10
All mechanism
-all
Includes (4)
spf-0070d201.pphosted.com, spf.protection.outlook.com, authsmtp.com, sendgrid.net
IP4 (3)
194.221.14.0/24, 194.145.22.64, 54.227.64.76
IP6 (0)
// Save marksandspencer.com → we'll run this daily and alert on changes. /signup →