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mymail.nku.edu

Email infrastructure report · Last checked

Summary

mymail.nku.edu uses Microsoft 365 for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderMicrosoft 365 business
Primary MXmymail-nku-edu.mail.protection.outlook.com

MX records

PriorityHostnameIPs
10mymail-nku-edu.mail.protection.outlook.com52.101.8.44, 52.101.41.24, 52.101.9.24, 52.101.10.16, 2a01:111:f403:c946::1, 2a01:111:f403:c91d::, 2a01:111:f403:c946::7, 2a01:111:f403:f913::

Authentication

SPF✓ Present -all
DKIM✓ Found (selectors: selector2)
DMARC✓ Present p=quarantine
Raw SPF record
v=spf1 include:spf.protection.outlook.com -all
Raw DMARC record
v=DMARC1; p=quarantine; pct=100; rua=mailto:s29hgb3j@ag.dmarcian.com; ruf=mailto:s29hgb3j@fr.dmarcian.com

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response226ms
SMTP banner220 BN2PEPF000055DB.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Tue, 28 Jul 2026 18:54:21 +0000 [08DEE9A2FC8FAE46]

What this means

This domain has strong email authentication. Messages claiming to come from @mymail.nku.edu can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

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curl https://api.checkmail.dev/v1/verify \
  -G --data-urlencode "email=test@mymail.nku.edu" \
  -H "Authorization: Bearer cm_live_..."