jk.edu.mx

Valid Email Server
Domain Lookup › jk.edu.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jk.edu.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 06:45:21 UTC · ↺ Refresh

MX Hostnames

  • jk-edu-mx.mail.protection.outlook.com

MX Priorities

  • jk-edu-mx.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.169.223.13 ↩ 13.223.169.192.host.secureserver.net
  • 45.40.145.151 ↩ 151.145.40.45.host.secureserver.net

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA boyd.ns.cloudflare.com dns.cloudflare.com 2399414200 10000 2400 604800 1800
Primary NS (mname)
boyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399414200
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

boyd.ns.cloudflare.com
paityn.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:192.95.41.212/32 include:secureserver.net -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

4 records
  • tqhl7q7387jdsllbongnh1h20f
  • SPFv=spf1 ip4:192.95.41.212/32 include:secureserver.net -all
  • girpif86feoj6vs3rdd8bt0nfv
  • google-site-verification=ib5IRd2h1WflAJvz5hPa_GxqYxKmi22N4InZwPwXaKo
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