Free tool
Free email-domain check
See whether your SPF, DKIM, DMARC and MX records are set up correctly, with plain-English fixes.
Your results will appear here. Each item shows a text label (Pass, Warning, Fail or Info) and what to do next.
How this check works
Your browser asks a public DNS resolver (Cloudflare) for the domain's public records, so nothing is sent to the domain itself. We don't store the domain you check unless you ask us to email you the report. New to this? Read our DMARC guide.
Passive checks only Public records and one ordinary page load
UK-based Built for UK small businesses
GDPR-aware Minimal data, no tracking cookies
No pentesting We never probe or attack anything
Is your email set up to be trusted?
Free, passive and no sign-up. About ten seconds.