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Downloads](https://img.shields.io/pypi/dm/checkdmarc?color=blue)](https://pypistats.org/packages/checkdmarc)\n\nA Python module, command line utility, and [web application](https://github.com/domainaware/checkdmarc-web-frontend) for validating SPF and DMARC DNS records.\n\n## Features\n\n- API, CLI, and web interfaces\n- Can test multiple domains at once\n- CLI output in JSON or CSV format\n- DNSSEC validation\n- SPF\n  - Record validation\n  - Counting of DNS lookups and void lookups\n  - Counting of lookups per mechanism\n- DMARC\n  - Validation and parsing of DMARC records\n  - Shows warnings when the DMARC record is made ineffective by `pct` or `sp` values\n  - Checks for authorization records on reporting email addresses\n- BIMI\n  - Validation of the mark format and certificate\n  - Parsing of the mark certificate\n- MX records\n  - Preference\n  - IPv4 and IPv6 addresses\n  - Checks for STARTTLS\n  - Use of DNSSEC/TLSA/DANE to pin certificates\n- MTA-STS\n- SMTP TLS reporting\n  - Record and policy parsing and validation\n- SOA record parsing\n- Nameserver listing\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdomainaware%2Fcheckdmarc","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdomainaware%2Fcheckdmarc","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdomainaware%2Fcheckdmarc/lists"}