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PortJar

DMARC Lookup & Parser

Fetch and parse the DMARC policy for a domain.

Email

About this tool

DMARC builds on SPF and DKIM to tell receivers what to do with mail that fails authentication. This tool fetches the `_dmarc.<domain>` TXT record, parses every tag, and flags common misconfigurations like `p=none` or missing reporting addresses.

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