Domain readiness
Public routing, sender policy, domain protection, bounded DKIM selector discovery and transport-policy signals.
Public DNS evidence · explained clearly
Free email sending readiness check.
See whether your business domain publishes the records that support dependable sending and resist spoofing. You receive the evidence and practical next steps—not just a number.
Run a live DNS preflight
Check the domain your business sends from.
Use the part after @ in your business email. We will search for likely DKIM selectors automatically; add one only when you want to check a specific value.
Public DNS check. We look up the records published for this domain and explain what they mean. Nothing is changed.
Know the boundary
A sound domain is the foundation—not an inbox guarantee.
Real-message scoring
SpamAssassin rules, actual signature alignment, message content, broken links, blocklists and receiving reputation.
Methodology follows the public standards for SPF, DKIM, DMARC, MTA-STS and TLS-RPT.