unicervantes.edu.co

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-25 23:28:04 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.133.72 (no PTR)
  • 104.21.13.218 (no PTR)
  • 2606:4700:3035::6815:dda
  • 2606:4700:3030::ac43:8548

Mail Server IPs

  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA duke.ns.cloudflare.com dns.cloudflare.com 2399951756 10000 2400 604800 1800
Primary NS (mname)
duke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399951756
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nena.ns.cloudflare.com
duke.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:45345110.spf10.hubspotemail.net mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none

DKIM Selectors

✓ 4 found
default._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

8 records
  • google-site-verification=U5JRAAq0WZF12aqAmKxjDywSHL5UHfVGFFBpwq1yfac
  • sendinblue-site-verification=3536046
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com include:45345110.spf10.hubspotemail.net mx ~all
  • MS=ms61557992
  • Sendinblue-code:3c9be0fdf1ca0856b96d2baa736a41bf
  • facebook-domain-verification=ujcct37ls28n7d7mz6omw4w6czvhh0
  • google-site-verification=3pq4cfFHcbJuMxWjLAaolwfIaeHFf8IgIXYDjh-oS-A
  • google-site-verification=RqwOO2bQw95E6W2AiPEFBI-N2LSZzz319e-xqL7F07U
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