DMARC Analyzer

Analyzes DMARC records for a domain to verify policy, SPF/DKIM alignment, and reporting readiness for improved email security and deliverability.

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About This Tool

The DMARC Analyzer consolidates a domain’s DMARC policy, SPF and DKIM alignment signals, and report visibility into a concise risk score and actionable recommendations. It flags domains without DMARC, misconfigured alignment, or inconsistent reporting.
Conceptual workflow: The tool retrieves DMARC DNS records at _dmarc.domain, inspects SPF and DKIM results from signals, evaluates alignment against RFC 7489 rules, and aggregates reports when available. It then produces an overall score and targeted remediation steps.
Who benefits: security engineers, IT admins, MSPs, and brand teams seeking reliable email authentication. Use cases include onboarding new domains, quarterly audits, subdomain coverage checks, and ongoing monitoring for changes in policy or alignment.
Unique value: clear prioritization of fixes, exportable reports, and subdomain coverage with actionable tasks that translate technical findings into governance and faster remediation.

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How to Use

Provide inputs: enter the domain to analyze and optional scope settings.
Configure the window and scope: choose subdomain coverage and time window if needed.
Run analysis: execute the evaluation to compute the DMARC score and signals.
Review outputs: inspect policy, alignment percentages, and remediation recommendations.
Export or share: download CSV/JSON reports or share results with stakeholders.

Frequently Asked Questions

Find Quick Answers

What is DMARC and why analyze it?

DMARC is an email authentication protocol that uses SPF and DKIM alignment with a domain's policy. Analyzing DMARC helps identify misconfigurations, reduce spoofing, and improve deliverability by providing a governance-ready view of authentication signals.

What inputs are required?

The primary input is the domain name. Optional inputs include scope (subdomain coverage), evaluation window, and timeouts. The tool uses public DNS records to assess DMARC, SPF, and DKIM signals.

How should I interpret the score and recommendations?

The overall score reflects alignment reliability and reporting visibility. Higher scores indicate better protection. Recommendations prioritize the most impactful fixes, such as publishing a DMARC policy, aligning SPF/DKIM, and enabling aggregate reports.

What if there is no DMARC record?

If no DMARC record is found, the tool flags the domain as not policy-protected under DMARC. It suggests publishing a DMARC policy (none to quarantine/reject) and configuring SPF/DKIM alignment to improve defenses.

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