~/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 include:_spf.google.com include:spf_c.oraclecloud.com include:_spf.salesforce.com include:_spf1.theguardian.com ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all
- DNS lookups
- 4 / 10
- All mechanism
- -all
- Includes (4)
- _spf.google.com, spf_c.oraclecloud.com, _spf.salesforce.com, _spf1.theguardian.com
- IP4 (12)
- 199.255.192.0/22, 199.127.232.0/22, 54.240.0.0/18, 69.169.224.0/20, 23.249.208.0/20, 23.251.224.0/19, 76.223.176.0/20, 54.240.64.0/18, 76.223.128.0/19, 216.221.160.0/19, 206.55.144.0/20, 24.110.64.0/18
- IP6 (0)
- —