Email Tools

Paste email headers to trace the complete delivery path, verify SPF/DKIM/DMARC authentication, identify the originating IP, and detect potential spoofing.

Check your email content before sending. Our spam analyzer identifies trigger words, calculates spam score, and provides tips to improve deliverability.

Validate email addresses by checking syntax, domain MX records, and common deliverability factors. Instantly confirm whether an email address is properly for...

Comprehensive email deliverability scorecard for any domain. Check SPF, DKIM, DMARC, MX records, blacklist status, and get an overall deliverability grade.

Look up BIMI DNS records for any domain. Verify brand logo display in email clients and check VMC certificate status for email brand authentication.

Test MTA-STS policy for any domain per RFC 8461. Verify DNS TXT record, fetch the policy file, and identify email transport encryption misconfigurations.

Look up TLSRPT DNS records for any domain per RFC 8460. Verify TLS reporting rua endpoints and confirm email TLS failure reporting is properly configured.

Check your domain against the Google/Yahoo and Microsoft bulk-sender requirements: SPF, DKIM, DMARC and the behavioral rules, with exact DNS fixes.

Build a correct SPF record: pick your email services, add your own servers, choose the failure policy, and copy the finished TXT record.

Generate a correct DMARC record with plain-English guidance: policy, reporting address, rollout percentage and alignment options.

Upload a DMARC aggregate report (.xml, .gz or .zip) and read it as a clear table: senders, volumes, SPF/DKIM results and dispositions.