A Python module and command line parser for SPF and DMARC records

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Project description

checkdmarc

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A Python module, command line utility, and web application for validating SPF and DMARC DNS records.

Sponcors

This is a project is maintained by one developer. Please consider sponsoring my work if you or your organization benefit from it.

Features

  • API, CLI, and web interfaces
  • Can test multiple domains at once
  • CLI output in JSON or CSV format
  • DNSSEC validation
  • SPF
    • Record validation
    • Counting of DNS lookups and void lookups
    • Counting of lookups per mechanism
  • DMARC
    • Validation and parsing of DMARC records
    • Shows warnings when the DMARC record is made ineffective by sp values, or by use of the pct/rf/ri tags that were removed in RFC 9989
    • Checks for authorization records on reporting email addresses
  • BIMI
  • MX records
    • Preference
    • IPv4 and IPv6 addresses
    • Checks for STARTTLS
    • Use of DNSSEC/TLSA/DANE to pin certificates
  • MTA-STS
  • SMTP TLS reporting
    • Record and policy parsing and validation
  • SOA record parsing
  • Nameserver listing

Docker support

  1. Build the image using docker build . -t checkdmarc
  2. Use the image with a command like docker run --rm checkdmarc google.nl

Project details

Verified details

These details have been verified by PyPI
Maintainers
Avatar for Sean.Whalen from gravatar.com Sean.Whalen

Unverified details

These details have not been verified by PyPI
Project links
Meta
Classifiers

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This version

5.16.2

5.16.1

5.16.0

5.15.5

5.15.4

5.15.3

5.15.2

5.15.1

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5.7.11

5.7.10 yanked

Reason this release was yanked:

A bug was introduced where subdomains used the base domains when wvaluating SPF a mechanisms

5.7.9

5.7.7

5.7.6

5.7.5

5.7.4

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4.1.9

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4.1.3

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4.1.1

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4.0.1

4.0.0

3.1.2

3.1.1

3.1.0

3.0.3

3.0.2

3.0.1

3.0.0

2.9.2

2.9.1

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2.8.0

2.7.3

2.7.2

2.7.1

2.7.0

2.6.3

2.6.2

2.6.1

2.6.0

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2.1.15

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1.3.4

1.3.3

1.3.2

1.3.1

1.3.0

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