~/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 ip4:193.35.248.0/21 ip4:212.117.224.200/29 ip4:195.11.6.128 ip4:50.31.53.62 ip4:62.73.158.39/32 ip4:62.73.158.40/32 include:_spf.salesforce.com include:rnmk.com include:email-od.com include:gateways.firstdata.com -all
DNS lookups
4 / 10
All mechanism
-all
Includes (4)
_spf.salesforce.com, rnmk.com, email-od.com, gateways.firstdata.com
IP4 (6)
193.35.248.0/21, 212.117.224.200/29, 195.11.6.128, 50.31.53.62, 62.73.158.39/32, 62.73.158.40/32
IP6 (0)
// Save johnlewis.com → we'll run this daily and alert on changes. /signup →