CheckMail

yokohama-cu.ac.jp

Email infrastructure report · Last checked

Summary

yokohama-cu.ac.jp uses Self-hosted / Custom for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXr02mcmd01.yokohama-cu.ac.jp

MX records

PriorityHostnameIPs
0r02mcmd01.yokohama-cu.ac.jp163.212.32.16
0r02mcmd02.yokohama-cu.ac.jp163.212.32.17

Authentication

SPF✓ Present -all
DKIM✓ Found (selectors: selector1)
DMARC✓ Present p=quarantine
Raw SPF record
v=spf1 ip4:163.212.36.8 ip4:163.212.36.9 ip4:163.212.150.3 ip4:163.212.32.61 ip4:163.212.32.56 ip4:163.212.32.16 ip4:163.212.32.17 ip4:163.212.32.18 ip4:163.212.32.19 ip4:202.228.204.77 ip4:210.166.194.0/24 ip4:130.69.92.23 ip4:160.16.80.60 ip4:163.212.32.26 ip4:163.212.32.27 include:spf.protection.outlook.com include:smp.ne.jp include:_spf.salesforce.com include:_spf.fundexapp.jp -all
Raw DMARC record
v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc-report@yokohama-cu.ac.jp; ruf=mailto:dmarc-report@yokohama-cu.ac.jp; adkim=r; aspf=r

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response844ms
SMTP banner220 r02mcmd01.yokohama-cu.ac.jp ESMTP mc 1.6 ready

What this means

This domain has strong email authentication. Messages claiming to come from @yokohama-cu.ac.jp can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

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