Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usafa.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:46:15 UTC · ↺ Refresh
MX Hostnames
- usafa-edu.mail.protection.outlook.com
MX Priorities
- usafa-edu.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.usafa.hpc.mil zonemaster.usafa.hpc.mil 2026020500 10800 3600 2419200 86400
Primary NS (mname)
ns2.usafa.hpc.mil
Admin Email (rname)
zonemaster@usafa.hpc.mil
Serial
2026020500
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns2.usafa.hpc.mil
ns3.usafa.hpc.mil
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected],[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- identrust_validation=KaUw60gh/WSa//4U1eoZyzV19aFUrJQyCYfcBazsx8AH
- _9qm3ngxd2b3g3lkyzq7mk8bqk5yih8i
- MS=F0CF6E8AB16A245733F4284A265405362067D5D1
- google-site-verification=tnweqjbiuvVmSCQ1ROSFreml3baQ8quiGtfTf6dIEhY
- SPFv=spf1 include:spf.protection.outlook.com -all
- @=_9qm3ngxd2b3g3lkyzq7mk8bqk5yih8i
- apple-domain-verification=9EzisiyjIdPHpxLP
Full email verification for usafa.edu
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