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Comprehensive email authentication and security analysis. Check SPF, DKIM, DMARC, BIMI, MTA-STS and get actionable recommendations to improve your security score.
Get a comprehensive deliverability score for your domain.
Validate your SPF records and ensure proper email authentication.
Verify DKIM signatures and public key configuration.
Analyze email headers for authentication and routing information.
Test your emails against spam filters and improve deliverability.
Calculate optimal mailbox counts for your email infrastructure.
Domain security scanning provides a comprehensive analysis of your email authentication setup, identifying vulnerabilities and configuration issues that could impact deliverability or expose your domain to spoofing attacks.
Authentication records
SPF, DKIM, and DMARC validation for sender verification.
Advanced security
BIMI, MTA-STS, and TLS-RPT for enhanced protection.
DNS infrastructure
MX records, A/AAAA records, and reverse DNS setup.
Prevent spoofing
Proper authentication prevents attackers from impersonating your domain.
Improve deliverability
Well-configured domains achieve better inbox placement rates.
Compliance requirements
Meet modern email provider requirements for bulk sending.
InboxKit provides everything you need for guaranteed deliverability and security