Free DMARC, SPF & DKIM checker
Check whether your domain can be spoofed. We inspect SPF, DKIM and DMARC and tell you exactly what's missing.
Free · no account · instant.
What it checks
Is a DMARC record present, and is the policy strong enough (quarantine/reject) to stop spoofing?
We validate your SPF record and flag misconfigurations that let others send as you.
We look for published DKIM keys so receivers can verify your mail is authentic.
A plain-English answer: can an attacker send email that looks like it came from your domain?
Frequently asked
It inspects your domain's SPF, DKIM and DMARC DNS records and reports whether email spoofing is currently possible, plus what to change.
Without a strong DMARC policy, attackers can send phishing emails that appear to come from your domain — a leading cause of business email compromise.
Yes, and no account is required. Email posture is part of the full free exposure report.
Want this continuously, not once?
The free tool is a snapshot. SICenter monitors your whole estate and alerts you the moment something changes.
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