~/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:spf-0059c002.pphosted.com include:mail.zendesk.com include:spf_c.oraclecloud.com include:spf-000ff402.pphosted.com a:smtp.info-exchange.com include:_spf.psm.knowbe4.com include:spf-006c1e01.pphosted.com ~all
DNS lookups
7 / 10
All mechanism
~all
Includes (6)
spf-0059c002.pphosted.com, mail.zendesk.com, spf_c.oraclecloud.com, spf-000ff402.pphosted.com, _spf.psm.knowbe4.com, spf-006c1e01.pphosted.com
IP4 (0)
IP6 (0)
// Save sainsburys.co.uk → we'll run this daily and alert on changes. /signup →