kddi.com

Email security grade C · 60/100

As of 2026-07-19 06:22 UTC

Score breakdown

Policy strictness 20/30

p=quarantine (would be 30 at p=reject)

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Alignment mode 10/15

relaxed alignment (default; safer for forwarders)

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Reporting 10/15

rua only (aggregate reports); add ruf for forensic per-message reports

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Percent at fail position 10/10

no pct tag in play; your policy applies to all failing mail

Learn more about percent at fail position →

Authentication coverage 10/20

SPF only; both should be present for DMARC to align reliably

Learn more about authentication coverage →

MTA-STS 0/5

no MTA-STS policy published

Learn more about mta-sts →

TLS-RPT 0/5

no TLS-RPT record (you won't see TLS failure reports)

Learn more about tls-rpt →

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The other half: lookalike domains

A strong DMARC grade stops attackers spoofing kddi.com directly. It does nothing about typosquat domains (kddi-login.com and friends). Scan for those next.

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