DNS & Email Security Checker
Analyze DNS records, SPF, DKIM, DMARC, and MX configuration for any domain. Free — no signup required.
5 free checks remaining this hour
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Email Security
Verify SPF, DKIM, and DMARC are properly configured to prevent email spoofing and phishing attacks.
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DNS Records
View all DNS record types including A, AAAA, MX, TXT, NS, SOA, CNAME, CAA, and SRV records.
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Security Grade
Get an A-F grade based on your email security posture. Identify gaps and get actionable recommendations.