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dickinson.edu

Email infrastructure report · Last checked

Summary

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

Mail provider

ProviderMicrosoft 365 business
Primary MXdickinson-edu.mail.protection.outlook.com

MX records

PriorityHostnameIPs
0dickinson-edu.mail.protection.outlook.com52.101.11.17, 52.101.9.12, 52.101.50.7, 52.101.194.13, 2a01:111:f403:c931::1, 2a01:111:f403:f905::4, 2a01:111:f403:f908::2, 2a01:111:f403:c946::2

Authentication

SPF✓ Present ~all
DKIM✓ Found (selectors: selector1, selector2, s1, s2)
DMARC✓ Present p=quarantine
Raw SPF record
v=spf1 mx ip4:64.9.56.125 ip4:64.9.56.29 include:spf.protection.outlook.com include:stspg-customer.com ip4:206.107.42.249 ip4:206.107.42.254 ip4:206.107.42.9 ip4:216.248.199.106 ip4:216.248.199.105 ip4:208.117.49.214 ip4:38.98.228.46 include:_spf.qualtrics.com include:outboundmail.blackbaud.net ip4:198.21.1.32 ip4:64.74.237.230 ip4:64.74.237.231 ip4:216.147.212.20 ip4:216.147.212.21 ip4:216.147.212.22 ip4:216.147.212.23 ip4:38.106.32.22 ip4:38.106.32.46 ip4:52.86.188.131 ip4:52.43.50.148 ip4:168.245.25.116 ~all
Raw DMARC record
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email

Email behavior

Catch-all✗ No
Disposable✗ No
Free provider✗ No
STARTTLS✓ Supported
SMTP response321ms
SMTP banner220 SN1PEPF000397AE.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Thu, 30 Jul 2026 00:26:45 +0000 [08DEEDAE49CCB995]

What this means

This domain has strong email authentication. Messages claiming to come from @dickinson.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 \
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  -H "Authorization: Bearer cm_live_..."