~/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:spf1.alibaba.mail.aliyun.com -all
- DNS lookups
- 1 / 10
- All mechanism
- -all
- Includes (1)
- spf1.alibaba.mail.aliyun.com
- IP4 (0)
- —
- IP6 (0)
- —