subrednorte.gov.co

Valid Email Server
Domain Lookup › subrednorte.gov.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
subrednorte.gov.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 07:29:41 UTC · ↺ Refresh

MX Hostnames

  • subrednorte-gov-co.mail.protection.outlook.com

MX Priorities

  • subrednorte-gov-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 200.122.253.140 ↩ mail5.subrednorte.gov.co

Mail Server IPs

  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.subrednorte.gov.co adminservidores.subrednorte.gov.co 2021031216 3600 3600 3600 300
Primary NS (mname)
ns1.subrednorte.gov.co
Admin Email (rname)
adminservidores@subrednorte.gov.co
Serial
2021031216
Refresh
3600s
Retry
3600s
Expire
3600s
Minimum TTL
300s

Nameservers (NS)

ns1.subrednorte.gov.co
ns2.subrednorte.gov.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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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