ulibertadores.edu.co

Valid Email Server
Domain Lookup › ulibertadores.edu.co

Domain Overview

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

Checked via [email protected] · 2026-03-22 06:12:50 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 190.242.99.231 (no PTR)

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ricaute.libertadores.edu.co root.libertadores.edu.co 2025061720 31 144 36000 864
Primary NS (mname)
ricaute.libertadores.edu.co
Admin Email (rname)
root@libertadores.edu.co
Serial
2025061720
Refresh
31s
Retry
144s
Expire
36000s
Minimum TTL
864s

Nameservers (NS)

ricaute.libertadores.edu.co

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

✗ 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

7 records
  • k32774a7v55mc734i5p2nnfmh7
  • n5o23p8ge2otlqadaecjr0n3ur
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=nDRsjZ4Z2iRaSFM3tYzfx2jhSCy1p_k3rzqZrEp_A-g
  • MS=ms74117507
  • 1tmm7fkbidr71o9rclbgqv41a8
  • ev6lnn60rs5lvom21msec5ldip
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