unilibrepereira.edu.co

Valid Email Server
Domain Lookup › unilibrepereira.edu.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
unilibrepereira.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 15:41:25 UTC · ↺ Refresh

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MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx.lgoogle.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.lgoogle.com: 10
  • alt1.aspmx.l.google.com: 20
  • aspmx3.googlemail.com: 30
  • aspmx2.googlemail.com: 30
  • alt2.aspmx.l.google.com: 20

A / AAAA Records

  • 190.145.144.249 (no PTR)

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA ns3.telmexla.net.co internet.telmexla.net.co 2020051478 1200 7200 1209600 86400
Primary NS (mname)
ns3.telmexla.net.co
Admin Email (rname)
internet@telmexla.net.co
Serial
2020051478
Refresh
1200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.telmexla.net.co
ns2.telmexla.net.co

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

3 records
  • SPFv=spf1 include:_spf.google.com ~all
  • MS=ms69699115
  • SPFv=spf1 ip4:190.144.247.9 ip4:181.49.245.201 ip4:190.144.41.38 ip4:181.48.12.138 ip4:200.26.137.41 ip4:200.26.137.39 ip4:181.48.12.143 ip4:200.26.137.40 ip4:200.26.137.47 ip4:181.48.12.142 ip4:181.48.12.141 ip4:181.48.12.140 ip4:181.48.12.139 ip4:200.26.137.50 ip4:200.26.137.61 ip4:200.26.137.49 ip4:200.26.137.48 ip4:200.26.137.42 ip4:181.49.245.202 ip4:181.49.245.203 ip4:181.48.12.136 ip4:181.48.12.133 ip4:181.48.12.134 ip4:181.48.12.135 ip4:181.48.12.132 ip4:181.48.12.137 include:_spf.google.com -all
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