~/tools / spf-checker
SPF Checker
Check SPF record. Counts DNS lookups against the 10-lookup limit, flags `+all` security holes, and identifies common mistakes.
[ WARNING ]
Soft fail (~all). Unauthorized senders flagged but not rejected. Consider -all for stronger protection.
── output ─────
v=spf1 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:mktomail.com include:amazonses.com include:sendgrid.net include:_spf.salesforce.com include:spf.mtasv.net ~all
- DNS lookups
- 8 / 10
- All mechanism
- ~all
- Includes (8)
- _netblocks.google.com, _netblocks2.google.com, _netblocks3.google.com, mktomail.com, amazonses.com, sendgrid.net, _spf.salesforce.com, spf.mtasv.net
- IP4 (0)
- —
- IP6 (0)
- —