Domain Intelligence Tool

DMARC Checker & Validator

Protect your clients from domain spoofing and email impersonation. Our AI-driven engine provides instant DMARC validation and deep protocol analysis for MSP-level efficiency.

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What is a DMARC Checker?

A DMARC Checker is a diagnostic tool designed to verify if a domain has a valid DMARC (Domain-based Message Authentication, Reporting, and Conformance) record published in its DNS. For MSPs and security professionals, this is the first line of defense in identifying misconfigurations that could allow cybercriminals to impersonate a brand.

Without a proper checker, small syntax errors can invalidate your entire email security posture, leading to massive deliverability issues or successful phishing campaigns against your clients.

Validator vs. Analyzer

While a DMARC Validator checks for syntax and basic existence, a DMARC Analyzer goes deeper. It processes the complex RUA/RUF reports sent by ISPs like Google and Microsoft to show exactly who is sending mail on behalf of your domain.

DMARC AI combines both functions, providing a technical audit of your DNS records and translating raw XML data into actionable human intelligence for your security dashboard.

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How to Fix DMARC Errors

1

Audit DNS Syntax

Check for double-quoted values, missing semicolons, or invalid 'p' tags in your TXT record.

2

Verify Alignment

Ensure your SPF (Return-Path) and DKIM (d=tag) match the domain in the From: header.

3

Escalate Policy

Move from p=none to p=quarantine once you've confirmed all legitimate sending services are authenticated.

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SOC2 Type II Ready

Your domain data is processed with enterprise-grade security protocols.

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Real-time Lookups

Direct integration with global DNS clusters for sub-second analysis.

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Built for MSPs

Multi-tenant architecture designed to manage thousands of domains.

Stop Spoofing Before It Happens

Join 500+ MSPs who trust DMARC AI to protect their clients' reputations.

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DMARC FAQ for Professionals

What happens if my DMARC record is missing? expand_more

Without DMARC, ISPs cannot verify if an email from your domain is legitimate. This makes it trivial for attackers to spoof your brand, often resulting in shadow email campaigns that damage your domain reputation without your knowledge.

How long does it take to move to p=reject? expand_more

Typically, we recommend 4-8 weeks of monitoring under p=none to identify all legitimate sending services before tightening security to prevent legitimate mail rejection.