Email Health Check
Check a domain's MX, SPF, DMARC and DKIM records for deliverability and anti-spoofing.
Frequently asked questions
What does this email health check cover?
It checks whether the domain has MX records (can receive mail) and whether it publishes SPF, DMARC and DKIM records used to authenticate outgoing mail.
What are SPF, DKIM and DMARC?
SPF lists which servers may send mail for your domain, DKIM cryptographically signs messages, and DMARC tells receivers what to do when SPF/DKIM fail. Together they prevent spoofing.
You say no DKIM found — is that wrong?
We probe a set of common DKIM selectors. If you use a custom selector we may not detect it even though DKIM is configured.
Want these records watched around the clock?
Monitor your DNS automatically →