Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
student.shu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:20:12 UTC · ↺ Refresh
MX Hostnames
- student-shu-edu.mail.protection.outlook.com
MX Priorities
- student-shu-edu.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-877.awsdns-45.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-877.awsdns-45.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-877.awsdns-45.net
ns-1236.awsdns-26.org
ns-1835.awsdns-37.co.uk
ns-275.awsdns-34.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:e2ma.net include:mail.zendesk.com include:amazonses.com ip4:149.150.52.224 ip4:149.150.52.238 ip4:149.150.52.160 ip4:198.187.196.100 ip4:216.200.108.191 ip4:216.200.107.203 ip4:209.133.75.59 ip4:209.133.124.238 ip4:74.86.208.249 ip4:66.151.109.0/24 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:e2ma.net include:mail.zendesk.com include:amazonses.com ip4:149.150.52.224 ip4:149.150.52.238 ip4:149.150.52.160 ip4:198.187.196.100 ip4:216.200.108.191 ip4:216.200.107.203 ip4:209.133.75.59 ip4:209.133.124.238 ip4:74.86.208.249 ip4:66.151.109.0/24 -all
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