passport.edu.co

Valid Email Server
Domain Lookup › passport.edu.co

Domain Overview

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

Checked via [email protected] · 2026-03-25 23:29:54 UTC · ↺ Refresh

MX Hostnames

  • passport-edu-co.mail.protection.outlook.com

MX Priorities

  • passport-edu-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.241.60.254 ↩ 162-241-60-254.unifiedlayer.com

Mail Server IPs

  • 52.101.9.17 (no PTR)
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns45.domaincontrol.com dns.jomax.net 2026012701 28800 7200 604800 600
Primary NS (mname)
ns45.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns45.domaincontrol.com
ns46.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

5 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • facebook-domain-verification=qkg642c31gbi97ub8qvi2bjkip9ggq
  • v=spf1 include:spf.protection.outlook.com -all
  • MS=ms55320826
  • google-site-verification=2v5u0n-ptzk2MP5L0gDdpwE-sqda24Wi853v0QsgBvY
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