MTA-STS & TLS-RPT Record Checker
Verify your domain's MTA-STS and TLS-RPT records to ensure email is delivered securely. This tool checks DNS records, policy file content, and the overall configuration for potential errors.
Enter Your Domain for Analysis
Input the domain name (e.g., example.com) to verify MTA-STS and TLS-RPT compliance.
What is MTA-STS?
Mail Transfer Agent Strict Transport Security (MTA-STS) ensures that email is always sent over a secure, encrypted connection, preventing downgrade attacks.
Read RFC 8461
What is TLS-RPT?
TLS Reporting (TLS-RPT) provides a mechanism for receiving reports on failures related to MTA-STS policy validation, helping you debug email security issues.
Read RFC 8460