Free Domain Analyzer Tool
Instantly analyze your domain for DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT. Get a complete security score, uncover vulnerabilities, and receive step-by-step fixes to prevent phishing and spoofing.
What Does the Free Domain Analyzer Check?
Our Domain Analyzer performs a deep DNS scan to uncover hidden vulnerabilities in your email authentication setup. Get a complete view of your domain’s security posture in seconds.
SPF Record Analysis:
Scans your SPF record for syntax errors, lookups, and void errors.
DKIM Analyzer:
Verifies your DKIM selector and validates the public key record in your DNS.
MTA-STS & TLS-RPT:
Checks for modern TLS encryption policies for inbound mail.
Email Service Provider Compliance:
Check if your domain meets Google, Yahoo, Microsoft, and Apple Mail’s latest email sender requirements.
Your Domain Analysis Report Will Include
Overall Domain Security Grade
An at-a-glance score from A+ to F.
Detailed Protocol Breakdown
A pass/fail status for each protocol (DMARC, SPF, DKIM) with clear explanations.
Vulnerability
Summary
A list of critical, high, and medium priority issues found in your DNS.
Actionable Recommendations
Step-by-step instructions tailored to your specific domain’s configuration to resolve each flaw.
Try More Email Authentication Tools
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