Welcome to checkdmarc’s documentation

checkdmarc is a Python module and command line parser for 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

Further reading

• Installation
• API
• CLI

Indices and tables

• Index

• Module Index

• Search Page