Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usmcu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 21:53:37 UTC · ↺ Refresh
MX Hostnames
- usmcu-edu.mail.protection.outlook.com
MX Priorities
- usmcu-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 12.176.170.100 (no PTR)
Mail Server IPs
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
mcuzeus0239a.usmcu.edu noreply.usmcu.edu 2024087434 10800 1080 2419200 900
Primary NS (mname)
mcuzeus0239a.usmcu.edu
Admin Email (rname)
noreply@usmcu.edu
Serial
2024087434
Refresh
10800s
Retry
1080s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
mcuzeus0239c.usmcu.edu
mcuzeus0239b.usmcu.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf-na.exlibrisgroup.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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=8FBA4648E32BB75B5E0E8FF66B3C22D71CEA101D
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf-na.exlibrisgroup.com -all
- intersight=d96a67421a9bf96a4f2b193ac7e6721d4385c4cce89fe29cef7567bb8fbdeef9
- MS=ms66706574
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