~/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.1und1.de include:_uicsspf.1und1.de include:_spf.zimpel.de include:spf.protection.outlook.com -all
- DNS lookups
- 4 / 10
- All mechanism
- -all
- Includes (4)
- _spf.1und1.de, _uicsspf.1und1.de, _spf.zimpel.de, spf.protection.outlook.com
- IP4 (0)
- —
- IP6 (0)
- —