smu.edu.sg

Valid Email Server
Domain Lookup › smu.edu.sg

Domain Overview

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

Checked via [email protected] · 2026-03-30 19:06:07 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 45.64.64.148 (no PTR)
  • 103.28.249.14 ↩ 103.28.249.14.ip.incapdns.net

Mail Server IPs

  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.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 674134090 3600 600 86400 1800
Primary NS (mname)
evsddns02.smu.edu.sg
Admin Email (rname)
administrator@smu.edu.sg
Serial
674134090
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
1800s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:202.161.41.192/26 ip4:202.161.50.111 ip4:202.161.50.112 ip4:202.161.50.113 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 ip4:13.210.253.246 ip4:52.62.198.211 ip4:52.189.236.102 ip4:139.60.152.0/22 ip4:64.69.212.0/24 ip4:98.97.248.0/21 ip4:64.94.116.21 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 include:spf.protection.outlook.com include:_spfb.smu.edu.sg ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._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

27 records
  • openatts a=dns-did; p=did:ethr:0xace66a41a60ce4190222be54806d6fc2096a9023#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0xbcc4f0560ebe98f30d4838907e352c4c12458279#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0xc6f3623b07eb1e1fa99d92edebaa7a9553976e28#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0x3670e0c19fcba5bf3a1f8112d1a2b7b65eb8fa61#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0xe66ca8fa23a2319c3eee619a3d06713eb3a830da#controller; v=1.0
  • abuseipdb-verification=mPZtuCzf
  • openatts a=dns-did; p=did:ethr:0xf4672773f058f1b50262a2e65e55e983987b9009#controller; v=1.0;
  • SPFv=spf1 ip4:202.161.41.192/26 ip4:202.161.50.111 ip4:202.161.50.112 ip4:202.161.50.113 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 ip4:13.210.253.246 ip4:52.62.198.211 ip4:52.189.236.102 ip4:139.60.152.0/22 ip4:64.69.212.0/24 ip4:98.97.248.0/21 ip4:64.94.116.21 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 include:spf.protection.outlook.com include:_spfb.smu.edu.sg ~all
  • 3M1Q8GM0IOXDYCHV3T3XG9NZL56H7Z8VZJT709IV
  • openatts net=ethereum netId=1 addr=0xf49ea53c595fd80213b56680ff7a165e8047cce0
  • brevo-code:b1414e0a234265a2faa294058248ae06
  • globalsign-domain-verification=6hVuccYcxLKp0gwqB4HqK8lvVPXJsD_bPXgmtyx17s
  • zoho-verification=zb96404674.zmverify.zoho.com
  • onetrust-domain-verification=be95f1756d284d84bf0f85479631baa4
  • google-site-verification=O0fRpQOozsguxM1z1RHZxHjyRMGyIJM47X0tk8kReQ4
  • globalsign-domain-verification=b40e51bded34408f89fda1cf33593aca
  • openatts a=dns-did; p=did:ethr:0x985da8e1aaec4d6acca8fd5a946d7569417545da#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0x89c1f3e15c8fc54d312c7a40e5dc38df767ce723#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0x2df241739da39abad6e9d1079bdf6731fcb11961#controller; v=1.0;
  • webexdomainverification.=9d239fd9-1d8a-45a7-b4f2-92b0970ef70a
  • onetrust-domain-verification=daa469b855f94d53bc947aac076f8373
  • openatts a=dns-did; p=did:ethr:0x866DB99B30A5f296cA45441644A34381Cf432660#controller; v=1.0;
  • openatts a=dns-did; p=did:ethr:0x9f332a8bf5732ce0426df2798d9e096a0dec7720#controller; v=1.0;
  • google-site-verification=FwJCv8T5DDC0H33SkGNUrhWsfAiRa_eFDXT_kbnI41s
  • openatts a=dns-did; p=did:ethr:0x1c653f670aa2fbe3f5c5b2f3d319329686f24038#controller; v=1.0;
  • _globalsign-domain-verification=cC16G8OgqYZ5SiPxst0o8UVc2-U41BGYWkZtMYwnib
  • openatts a=dns-did; p=did:ethr:0x07761069be3ef775fbc46b6beec08c775b450f7d#controller; v=1.0;
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