~/tools / dmarc-checker

DMARC Checker

Check DMARC record and policy. Catches missing policy, weak `p=none` mode, and misconfigured reporting.

>
[ OK ] Strict DMARC policy enforced. Spoofed mail is rejected.
── output ─────
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1;adkim=s;aspf=r;sp=reject;
Policy (p=)
reject
Subdomain policy (sp=)
reject
Percentage (pct=)
100%
DKIM alignment (adkim=)
s
SPF alignment (aspf=)
r
Aggregate reports (rua=)
mailto:[email protected],mailto:[email protected]
Failure reports (ruf=)
mailto:[email protected],mailto:[email protected]
// Save sfr.fr → we'll run this daily and alert on changes. /signup →