umng.edu.co

No Valid Email Server
Domain Lookup › umng.edu.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
umng.edu.co
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 05:22:12 UTC · ↺ Refresh

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MX Hostnames

No MX records found.

MX Priorities

No priority data.

A / AAAA Records

  • 162.159.130.73 (no PTR)
  • 162.159.129.73 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA ns-1761.awsdns-28.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1761.awsdns-28.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1761.awsdns-28.co.uk
ns-976.awsdns-58.net
ns-1200.awsdns-22.org
ns-140.awsdns-17.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • google-site-verification=_RipJGih-rdg3X3KAEEw-mv2f38KX1HoMfJkYbL9zas
  • kqub7dn0qp3c8b45bve9s4s9kl
  • MS=kQuONh/5DnwaF7Vr+JI3d6uQX52XYX8xHkKMNg5c8Oo
  • MS=noIvBlzm4XSbzQTHPz_QM7Mj-FmzTkG2w1QeZN_ZMh
  • globalsign-domain-verification=DdLr3I2WhezO9CwKBHQTPNV9xscGOgyZBw4yiWdqZC
  • globalsign-domain-verification=WN-MrWSiVks2VGFj6YPRHDacXRF0bjoQUk_TGUpzik
  • globalsign-domain-verification=kvN4eiu9_L2_f5tGTRZEpW1h2h1inhyPbzarzAP8Ws
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