Resolve MX records, detect email provider, validate SPF and DMARC — free, no signup.
No signup · Instant DNS lookup · Works on any domain
Sign up for 500 free credits and full mailbox verification — verify individual addresses, not just domains.
Get 500 Free Credits →A domain's mail infrastructure at a glance — instantly, with no account.
MX records confirm where email for this domain is delivered.
Identifies Microsoft 365, Google Workspace, or a custom mail server.
SPF and DMARC tell you if the domain is protected against spoofing.
MX data answers questions before you ever hit send.
500 free credits on signup — verify individual mailboxes, not just domains.
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