Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ngu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:00:48 UTC · ↺ Refresh
MX Hostnames
- ngu-edu.mail.protection.outlook.com
MX Priorities
- ngu-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns03.domaincontrol.com postmaster.ngu.edu 2026012805 3600 600 1209600 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
postmaster@ngu.edu
Serial
2026012805
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
pdns04.domaincontrol.com
pdns03.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mh.blackboard.com include:mailgun.org include:spf.watermarkinsights.com ip4:54.236.176.52 ip4:209.85.161.52 ip4:104.45.175.206 ip4:52.224.142.128 a:smtphosts.uits.iu.edu -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
7 records- 0ed1fe018a97036bc862074da5b72cfdcc990244b6
- SPFv=spf1 include:spf.protection.outlook.com include:mh.blackboard.com include:mailgun.org include:spf.watermarkinsights.com ip4:54.236.176.52 ip4:209.85.161.52 ip4:104.45.175.206 ip4:52.224.142.128 a:smtphosts.uits.iu.edu -all
- fpn3sbab18ubvlrbpicl3e85gt
- apple-domain-verification=1auk3A3F6Ts8Bq7p
- tkj1b6n48dlrac8mgrftgolphm
- jamf-site-verification=zmkDyITtEaIl8U2qIXofYA
- hbj35ih8efvnp478tc2cj0ad72
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