SPF, DKIM & DMARC Checker – Free Email Auth Tool
Verify your domain's email authentication records. We check DNS for SPF (sender policy), DKIM (signing), and DMARC (policy and reporting) so you can fix misconfigurations and improve deliverability. Read the guide.
🔒 Privacy guaranteed. We never store your lookups.
Advanced DKIM options (optional)
Comma-separated. Use this when your provider uses custom selectors (e.g. Amazon SES).
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