usma.edu

Valid Email Server
Domain Lookup › usma.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
usma.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:17:55 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • usma-edu.mail.protection.outlook.com: 10

A / AAAA Records

  • 13.248.170.120 ↩ ae9120ea36bb5af62.awsglobalaccelerator.com
  • 76.223.56.202 ↩ ae9120ea36bb5af62.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 2019022101 3600 600 1209600 3600
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2019022101
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info

SPF Record

✓ Strict (-all)
v=spf1 +mx ip6:2001:480:a0:f003::234 ip6:2001:480:b0:f003::234 ip4:140.32.61.234 ip4:140.32.59.234 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms20072794
  • 4mbfw7f9t48rr62y5d18t45zx017ln4h
  • SPFv=spf1 +mx ip6:2001:480:a0:f003::234 ip6:2001:480:b0:f003::234 ip4:140.32.61.234 ip4:140.32.59.234 -all
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