business.smu.edu.sg

Valid Email Server
Domain Lookup › business.smu.edu.sg

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
business.smu.edu.sg
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 20:19:38 UTC · ↺ Refresh

MX Hostnames

  • business-smu-edu-sg.mail.protection.outlook.com

MX Priorities

  • business-smu-edu-sg.mail.protection.outlook.com: 5

A / AAAA Records

  • 192.230.64.148 ↩ 192.230.64.148.ip.incapdns.net
  • 185.11.124.148 (no PTR)

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA evsddns02.smu.edu.sg administrator.smu.edu.sg 674133879 3600 600 86400 1800
Primary NS (mname)
evsddns02.smu.edu.sg
Admin Email (rname)
administrator@smu.edu.sg
Serial
674133879
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
1800s

Nameservers (NS)

evsddns02.smu.edu.sg
ns2.smu.edu.sg
secdns2.starhub.net.sg

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:ieg01.smu.edu.sg a:ieg02.smu.edu.sg a:ieg03.smu.edu.sg a:ieg04.smu.edu.sg include:spf.protection.outlook.com include:a._spf.brightspace.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 mx a:ieg01.smu.edu.sg a:ieg02.smu.edu.sg a:ieg03.smu.edu.sg a:ieg04.smu.edu.sg include:spf.protection.outlook.com include:a._spf.brightspace.com ~all
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