Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nps.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 05:57:50 UTC · ↺ Refresh
MX Hostnames
- nps-edu.mail.protection.outlook.com
MX Priorities
- nps-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 52.36.234.65 ↩ ec2-52-36-234-65.us-west-2.compute.amazonaws.com
- 52.42.202.22 ↩ ec2-52-42-202-22.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1ern.nps.edu dns.nps.edu 2026031900 28800 900 3600000 3600
Primary NS (mname)
ns1ern.nps.edu
Admin Email (rname)
dns@nps.edu
Serial
2026031900
Refresh
28800s
Retry
900s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns-650.awsdns-17.net
ns1ern.nps.edu
ns2ern.nps.edu
ns-1756.awsdns-27.co.uk
ns-158.awsdns-19.com
ns-1503.awsdns-59.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:205.155.65.0/25 ip4:204.102.228.0/25 include:spf.protection.outlook.com include:amazonses.com include:_spfhosted.exlibrisgroup.com include:_spf.sparkpostmail.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=reject; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[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- SPFv=spf1 ip4:205.155.65.0/25 ip4:204.102.228.0/25 include:spf.protection.outlook.com include:amazonses.com include:_spfhosted.exlibrisgroup.com include:_spf.sparkpostmail.com ~all
- 5jAIzlaPPOtwRTvyrlfteJ3MRJzriQd1x5XuTbcA1F7MpVtLJQwb2Ry5Pr1bNmsL6Xxw/aTKxjGyOfkhB0MHuA==
- MS=ms62239399
- ZOOM_verify_Tf4rS6vHVJ1NpsbV38hWdZ
- apple-domain-verification=Rf2gMVnPp0j8UjUI
- coggle-verification=MZVap7U081ACsIEoVN5Vn0fEkslWpwWd0TKZxfLFDu4
- jamf-site-verification=v_e8kEgWYDNXlhcRovLvlQ
Full email verification for nps.edu
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