jmu.edu

Valid Email Server
Domain Lookup › jmu.edu

Domain Overview

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

Checked via [email protected] · 2026-03-25 19:13:06 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • jmu-edu.mail.protection.outlook.com: 0

A / AAAA Records

  • 134.126.126.99 ↩ groups.dukes.jmu.edu

Mail Server IPs

  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA it-nios-gm.jmu.edu network.jmu.edu 99 10800 3600 2419200 900
Primary NS (mname)
it-nios-gm.jmu.edu
Admin Email (rname)
network@jmu.edu
Serial
99
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

it-ns5-21.jmu.edu
it-ns3-19.jmu.edu
it-ns4-20.jmu.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:199.244.78.223 ip4:199.244.78.244 ip4:34.193.1.131 ip4:54.86.165.42 ip4:216.248.199.106 ip4:176.31.145.254 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:208.117.61.155 ip4:52.86.188.131 ip4:52.43.50.148 ip4:134.126.114.64/28 ip4:134.126.127.64/29 ip4:134.126.115.144/28 include:1._spf.jmu.edu include:2._spf.jmu.edu include:3._spf.jmu.edu include:4._spf.jmu.edu include:5._spf.jmu.edu include:6._spf.jmu.edu include:7._spf.jmu.edu include:8._spf.jmu.edu ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

15 records
  • atlassian-domain-verification=F3PVr7CIbe8P40h1D0d07pKeSo3/wLcr7mxMvsWT2mGyC9xawVafVCKusEHG9j28
  • docusign=0a4ee487-577b-42d3-93e6-d74de7b11ef4
  • google-site-verification=MVhhzXVkVVSeEogsvHdg-M2ZwKAGTXtGa5kQRwOBdpw
  • docusign=d62982de-0f2c-473b-bda9-bdb3a1f28619
  • airtable-verification=96cc9db017914ad48a039231ca4063fc
  • adobe-idp-site-verification=cb3dbff1-2abf-46f0-9519-c0a74c89e3f8
  • SPFv=spf1 ip4:199.244.78.223 ip4:199.244.78.244 ip4:34.193.1.131 ip4:54.86.165.42 ip4:216.248.199.106 ip4:176.31.145.254 ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:208.117.61.155 ip4:52.86.188.131 ip4:52.43.50.148 ip4:134.126.114.64/28 ip4:134.126.127.64/29 ip4:134.126.115.144/28 include:1._spf.jmu.edu include:2._spf.jmu.edu include:3._spf.jmu.edu include:4._spf.jmu.edu include:5._spf.jmu.edu include:6._spf.jmu.edu include:7._spf.jmu.edu include:8._spf.jmu.edu ~all
  • google-site-verification=c_w6Mcw7taY25Ba3d1fxPF0D0XWcc1drXIXquBHkWRY
  • cisco-ci-domain-verification=79c5da962bb35eefd9a290e1d4d0c601a6abe9998c4b968cbe102926ce9b4bf5
  • dell-technologies-domain-verification=jmu.edu_100504a0-6956-418f-9927-4a50f65debca_1736455754
  • jamf-site-verification=ds9FIlFlF63laxf_zHR6rw
  • google-site-verification=jLhwq2CvqkDtWhj197ivc_jBusj2NvGykkoSt7zNyJU
  • pAJ27ZoI1jtb/j7D2cfxs6+kKiH+Hmpt5PK9QbPvB8HsgwBEtRj0Jba8AyR9yf2sc6hwTL39MCrO2zhI78HB7w==
  • vc0gkfc0wb3cpdkql1ywqqblrwbk6z4b
  • AppId=000000004404100E
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