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checkdmarc

Python tests PyPI PyPI - Downloads

A Python module and command line utility for validating SPF and DMARC DNS records

Features

  • API and CLI
  • Can test multiple domains at once
  • CLI output in JSON or CSV format
  • Parses and validates MX, SPF, and DMARC records
  • Checks for DNSSEC deployment
  • Lists name servers
  • Checks for STARTTLS and TLS support on each mail server