Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ndus.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 04:25:00 UTC · ↺ Refresh
MX Hostnames
- ndus-edu.mail.protection.outlook.com
MX Priorities
- ndus-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 159.60.159.164 (no PTR)
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ndus.edu hostmaster.ns1.nodak.edu 2014022014 7200 720 86400 900
Primary NS (mname)
ns1.ndus.edu
Admin Email (rname)
hostmaster@ns1.nodak.edu
Serial
2014022014
Refresh
7200s
Retry
720s
Expire
86400s
Minimum TTL
900s
Nameservers (NS)
ns2.ext.ndus.edu
ns2.ndus.edu
ns4.az.ndus.edu
ns1.ndus.edu
ns1.ext.ndus.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ndus.edu include:spf.finalsiteconnect.com include:mh.blackboard.com include:sendgrid.net include:_spf.accruentsystems.com include:servers.mcsv.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
16 records- 7np5qt4k5phrmk616ap4ijb9iv
- d365mktkey=yq6bwox37smn4f6jtjb713nv
- adobe-idp-site-verification=69e4a0576c65eab27724f4b6f06860f1114fe1f9937239cd0489d3dce3366d7c
- google-site-verification=o-xMce3ufncH8z67tojTGgEtXpnXzShpYCxfwxPAEUI
- _globalsign-domain-verification=-GIlWZbBm72YiyYmotlVqy__WjcYSg_r92T0LaetHx
- ms-domain-verification=a2720c1b-0550-422c-9da5-f34319500df7
- docusign=4196f92e-0195-452a-8715-e877ccbd478c
- _globalsign-domain-verification=-fxzyNFQLp-DKzstIjC9fxxTgwhGu_OvKEs9igdNIo
- apple-domain-verification=7pTqegcIgFlBZY5c
- google-site-verification=50S7TOSoTVTBlwwzFYEwSHH7va5JMZR7_dJ8-hfJmHk
- google-site-verification=pq07tboKT5BICQ6p_6TccCaDbFgFY5tl17MjbqvjAtc
- globalsign-domain-verification=CF3ACF7A966B7072463DBA10EA515FC9
- _globalsign-domain-verification=2lBlzQbjzV-2-h9m6gtgaZwapgwC01kzpFGihzl7YT
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ndus.edu include:spf.finalsiteconnect.com include:mh.blackboard.com include:sendgrid.net include:_spf.accruentsystems.com include:servers.mcsv.net -all
- docusign=e1b36a21-489c-4171-91ea-fbf361e4cea5
- d365mktkey=33tbpdd1lkpv25dhvywylb9ps
Full email verification for ndus.edu
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