Dependency Chains
DMARC Authentication Chain (SPF)
DMARC uses SPF to verify that emails come from authorized servers
SPF Record
SPF record found and configured
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DMARC Policy
DMARC policy: reject
DMARC Authentication Chain (DKIM)
DMARC uses DKIM to verify that emails have not been tampered with
DKIM Signature
DKIM signature missing
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DMARC Policy
DMARC policy: reject
โ ๏ธ DKIM signature is missing. DMARC relies on DKIM to verify email integrity and prevent tampering. Without DKIM, DMARC alignment will fail for cryptographic verification.
Mail Server Identity: mx-dfw.automattic.com
PTR record proves mail server legitimacy
MX: mx-dfw.automattic.com
Mail server at 192.0.84.151
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PTR Record
Reverse DNS: mx1.dfw.automattic.com
Mail Server Identity: mx-ams.automattic.com
PTR record proves mail server legitimacy
MX: mx-ams.automattic.com
Mail server at 195.234.109.226
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PTR Record
Reverse DNS: mx2.ams.automattic.com
Mail Server Reputation: mx-dfw.automattic.com
RBL check ensures server is not blacklisted
MX: mx-dfw.automattic.com
Mail server at 192.0.84.151
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RBL Status
Not blacklisted
Mail Server Reputation: mx-ams.automattic.com
RBL check ensures server is not blacklisted
MX: mx-ams.automattic.com
Mail server at 195.234.109.226
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RBL Status
Not blacklisted
Enforced Encryption Chain
MTA-STS enforces TLS encryption to prevent man-in-the-middle attacks
TLS Support
Mail servers support TLS encryption
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MTA-STS Policy
Mode:
Brand Identity Chain
BIMI displays your logo in email clients, but requires DMARC enforcement
DMARC Enforcement
DMARC policy: reject
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BIMI Record
Brand logo configured
TLS Monitoring Chain
TLS-RPT provides reports about TLS connection failures
TLS Support
Mail servers support TLS encryption
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TLS-RPT Reporting
TLS failure reporting configured