Domain Scanner
Most brands fix one authentication problem at a time — and miss the five others. Enter your domain for a full email security audit: SPF, DKIM, DMARC, BIMI, MTA-STS, TLS-RPT, and MX records graded simultaneously in under 15 seconds.
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Why Fixing One Record Isn't Enough
SPF
Lists authorized sending servers. Prevents spoofing from unauthorized IPs.
DKIM
Adds a cryptographic signature to outgoing emails, proving they haven't been tampered with in transit.
DMARC
Tells receiving servers what to do with emails that fail SPF/DKIM. Enables reporting and enforcement.
BIMI
Displays your brand logo next to emails in supported inboxes. Requires a valid DMARC policy.
MTA-STS
Enforces TLS encryption for incoming mail, preventing downgrade attacks and eavesdropping.
TLS-RPT
Provides reporting on TLS connection failures, helping you identify encryption issues.
MX Records
Specifies which mail servers handle incoming email for your domain.
A Records
Maps your domain to an IP address. Essential for web and mail server resolution.
NS Records
Identifies your authoritative name servers, the foundation of your DNS infrastructure.
Related Free Tools
Your Security Score Will Change. You Need to Know When.
InboxEagle re-scans your domain daily — tracking changes across all authentication records and alerting you the moment a new vulnerability appears. Used by email agencies managing 50+ client domains.
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