~/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 a mx include:spf.qb-feedback.com include:sz.de ip4:5.75.167.180/32 ip4:80.190.108.220/32 ip4:194.232.205.130/32 ip4:116.202.77.19/32 ip6:2a01:4f8:d0a:6657::2/128 -all
- DNS lookups
- 4 / 10
- All mechanism
- -all
- Includes (2)
- spf.qb-feedback.com, sz.de
- IP4 (4)
- 5.75.167.180/32, 80.190.108.220/32, 194.232.205.130/32, 116.202.77.19/32
- IP6 (1)
- 2a01:4f8:d0a:6657::2/128