~/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 ip4:199.16.156.0/22 ip4:199.59.148.0/22 include:_spf.google.com include:_spf.salesforce.com include:_oerp.x.com include:phx1.rp.oracleemaildelivery.com include:iad1.rp.oracleemaildelivery.com -all
DNS lookups
5 / 10
All mechanism
-all
Includes (5)
_spf.google.com, _spf.salesforce.com, _oerp.x.com, phx1.rp.oracleemaildelivery.com, iad1.rp.oracleemaildelivery.com
IP4 (2)
199.16.156.0/22, 199.59.148.0/22
IP6 (0)
// Save x.com → we'll run this daily and alert on changes. /signup →