Free Email & DNS Security Tools

Free professional tools to check MX records, SPF, DKIM, DMARC, DNS lookups, and email blacklist status. Built for system administrators and email admins.

Our Free Email Diagnostic Tools

• MX Lookup - Check Mail Exchange Records
• SPF Validation - Verify Email Authentication
• DKIM Checker - Email Signature Verification
• DMARC Lookup - Email Policy Check
• Blacklist Check - Monitor Sender Reputation
• DNS Lookup - All DNS Record Types
• Email Header Analyzer - Parse Authentication
• Email Health Check - Complete Scan