~/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 a mx include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:aspmx.sailthru.com include:mail.zendesk.com include:242234635.spf02.hubspotemail.net -all
- DNS lookups
- 7 / 10
- All mechanism
- -all
- Includes (5)
- usb._netblocks.mimecast.com, spf.protection.outlook.com, aspmx.sailthru.com, mail.zendesk.com, 242234635.spf02.hubspotemail.net
- IP4 (0)
- —
- IP6 (0)
- —