dukes.jmu.edu

Valid Email Server
Domain Lookup › dukes.jmu.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dukes.jmu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 12:33:56 UTC · ↺ Refresh

MX Hostnames

  • dukes-jmu-edu.mail.protection.outlook.com

MX Priorities

  • dukes-jmu-edu.mail.protection.outlook.com: 10

A / AAAA Records

  • 134.126.126.98 ↩ hub.lib.jmu.edu

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.jmu.edu include:spf.protection.outlook.com include:_spf.qp-mail.com include:authsmtp.com ip4:52.86.188.131 ip4:52.43.50.148 ip4:216.248.199.106/32 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

4 records
  • MS=ms93520027
  • google-site-verification=fLr0UJHXVrFkKrZR0o3BVGgXRWs3W72gC4glGgvHQDc
  • ZOOM_verify_HyBUfOA0SF-9W--eNKglgA
  • SPFv=spf1 include:_spf.jmu.edu include:spf.protection.outlook.com include:_spf.qp-mail.com include:authsmtp.com ip4:52.86.188.131 ip4:52.43.50.148 ip4:216.248.199.106/32 ~all
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