Email spoofing and phishing remain critical avenues for attackers, thanks to misconfigured or missing DNS records. If your SPF, DKIM, or DMARC settings are flawed, malicious actors can impersonate…

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JohnDCyber’s SPF, DKIM & DMARC Scanner is a Python tool designed to help security engineers and IT professionals detect and remediate misconfigurations in SPF, DKIM, and DMARC records. Proper configuration of these authentication methods is crucial to prevent email spoofing, phishing, and business email compromise. The tool offers features like SPF checks, DMARC verification, DKIM confirmation, and generates comprehensive reports in CSV and HTML formats. It uses Python’s ThreadPoolExecutor for efficient scanning and supports advanced usage with various customizable flags.

Harden Your Email Security with JohnDCyber’s SPF, DKIM & DMARC Scanner

What does SPF , DMARC, DKIM mean? How do they work? Why are they important ?