~/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 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.227.114 ip4:166.78.69.169 ip4:166.78.69.170 ip4:166.78.71.131 ~all
- DNS lookups
- 8 / 10
- All mechanism
- ~all
- Includes (8)
- spf.protection.outlook.com, _netblocks.google.com, _netblocks2.google.com, mail.zendesk.com, _spf.salesforce.com, servers.mcsv.net, mktomail.com, sendgrid.net
- IP4 (5)
- 192.30.252.0/22, 62.253.227.114, 166.78.69.169, 166.78.69.170, 166.78.71.131
- IP6 (0)
- —