saskpolytech.ca

Email infrastructure report · Last checked 28 Jul 2026, 19:10 UTC

Summary

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

Mail provider

ProviderMicrosoft 365 business

Primary MXsaskpolytech-ca.mail.protection.outlook.com

MX records

Priority	Hostname	IPs
5	saskpolytech-ca.mail.protection.outlook.com	52.101.190.3, 52.101.190.0, 52.101.192.1, 52.101.190.1, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 2a01:111:f403:c942::3, 2a01:111:f403:c942::1

Authentication

SPF✓ Present ~all

DKIM✓ Found (selectors: selector1, selector2, s1, s2)

DMARC✓ Present p=quarantine

Raw SPF record

v=spf1 ip4:174.90.127.252 ip4:142.99.240.232 ip4:108.63.20.35 ip4:206.191.49.128/25 ip4:209.217.89.253 ip4:74.91.86.65 ip4:199.244.78.221/24 ip4:74.91.86.73 ip4:74.91.86.77 ip4:52.31.29.196 ip4:205.139.105.50/24 ip4:172.21.8.6 ip4:162.244.239.26/27 ip4:216.243.142.142 ip4:142.3.152.69 ip4:142.3.100.254 ip4:206.191.23.156 ip4:54.240.37.1 ip4:56.60.142.64 ip4:184.173.105.143 ip4:192.68.72.46 ip4:192.68.72.47 ip4:161.47.143.129 ip4:161.47.143.131 ip4:161.47.143.133 ip4:192.190.92.0/23 ip4:198.97.238.0/23 ip4:204.239.0.0/24 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:166.78.70.104 ip4:198.61.255.245 ip4:198.61.255.238 ip4:52.60.142.64 ip4:69.167.138.236 ip4:205.201.128.0/20 ip4:148.105.8.0/21 ip4:149.96.5.7 ip4:199.91.140.28 ip4:149.96.6.6 ip4:149.96.6.3 ip4:149.96.5.6 ip4:149.96.5.3 ip4:149.96.6.2 ip4:149.96.6.7 ip4:199.91.136.28 ip4:149.96.5.2 ip4:69.167.139.85 ip4:142.3.100.94 ip4:207.138.59.82 ip4:142.99.241.46 ip4:142.99.18.12 ip4:35.182.71.56 ip4:205.139.104.0/22 ip4:149.72.161.246 ip4:149.72.190.43 ip4:149.72.227.21 ip4:167.89.111.77 ip4:168.245.22.106 ip4:168.245.23.37 ip4:168.245.61.128 ip4:168.245.125.167 ip4:172.25.24.83 ip4:149.72.40.131 ip4:52.60.116.9 ip4:52.60.157.49 ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:206.79.6.0/24 ip4:216.235.195.0/24 ip4:205.139.105.48/29 ip4:206.79.6.128/26 ip4:208.40.241.140/30 ip4:216.37.18.6 ip4:204.8.10.114 ip4:216.235.197.198 ip4:64.209.141.221 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:176.31.145.254 ip4:208.117.49.214/32 ip4:69.27.105.10 ip4:64.110.233.142 ip4:184.107.80.100 ip4:184.107.80.111 ip4:184.107.80.101 ip4:184.107.80.123 ip4:184.107.80.119 ip4:184.107.63.100 ip4:174.142.116.50 ip4:174.142.116.51 ip4:174.142.116.39 ip4:174.142.116.40 ip4:216.230.14.224/27 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:139.60.152.0/22 ip4:64.69.212.0/24 ip4:162.247.216.0/22 ip4:35.182.104.93 ip4:99.79.84.236 ip4:52.60.171.2 ip4:98.97.248.0/21 ip4:142.99.241.241/31 ip4:3.64.88.217 ip4:3.68.40.83 ip4:3.68.17.221 ip4:3.67.235.98 ip4:52.60.156.213 ip4:3.68.38.23 ip4:142.99.247.105 ip4:3.64.131.199 ip4:3.64.142.243 ip4:142.99.246.40 ip4:142.99.246.85 ip4:18.198.149.19 ip4:147.253.212.171 ip4:18.198.18.157 ip4:198.245.53.9 ip4:66.116.119.146 ip4:52.20.131.1 ip4:52.204.119.75  ip4:205.139.105.140 ip4:205.139.105.10 ip4:205.139.105.11 ip4:52.60.141.24 ip4:52.60.221.41 ip4:52.60.41.154  include:spf.protection.outlook.com include:sendgrid.net include:amazonses.com include:mailgun.org    ~all

Raw DMARC record

v=DMARC1; p=quarantine; rua=mailto:dmarc_reports@saskpolytech.ca, mailto:dmarc_agg@vali.email; ruf=mailto:dmarc_reports@saskpolytech.ca; aspf=s

Email behavior

Catch-all✗ No

Disposable✗ No

Free provider✗ No

STARTTLS✓ Supported

SMTP response225ms

SMTP banner220 TO1PEPF00005346.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Tue, 28 Jul 2026 19:10:11 +0000 [08DEECD2C99CF927]

What this means

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

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