Free Email Security Tools

Professional-grade tools to analyze, generate, and improve your email authentication. No signup required.

Checkers

Analyze your current email authentication configuration.

Validate your DMARC record and check compliance with Gmail and Yahoo requirements.

Analyze your SPF record, count DNS lookups, and identify potential issues.

Verify your DKIM records and test common selectors for your domain.

Get a comprehensive security score for your domain with actionable recommendations.

Create and configure email authentication records.

Generate a valid DMARC record with custom policy, reporting, and alignment options.

Build your SPF record with includes, IPs, and mechanisms. Validate DNS lookups.

Step-by-step DKIM setup instructions for Google Workspace, Microsoft 365, and more.

Comprehensive email security analysis.

Full compliance check covering DMARC, SPF, DKIM, MX, BIMI, MTA-STS, and blacklist.

SPF and DKIM settings for popular email services like Google, Microsoft, Mailchimp.

Convert DMARC aggregate report XML into a clear, readable format with summary statistics.

Trace email delivery path, check SPF/DKIM/DMARC authentication, and inspect key headers.

Get real-time alerts, detailed reports, and expert recommendations with DMARC Examiner.