Free Tool
Email Authentication Checker
Check SPF, DKIM, DMARC and MX readiness before sending.
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Email Authentication Checker
Check SPF, DKIM, DMARC and MX readiness before sending.
Use this before warmup
Why this helps
Many email issues start with DNS, SMTP connection problems or sudden volume increases before a campaign starts.
Many email issues start with DNS, SMTP connection problems or sudden volume increases before a campaign starts.
Next step
If the result shows a warning, use the free audit or connect your domain inside Inbox Warmup for guided setup.
If the result shows a warning, use the free audit or connect your domain inside Inbox Warmup for guided setup.
Important
No warmup platform can guarantee inbox placement. Results depend on content, list quality, complaints, provider rules and domain history.
No warmup platform can guarantee inbox placement. Results depend on content, list quality, complaints, provider rules and domain history.