ut.edu.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ut.edu.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 08:39:39 UTC · ↺ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • aspmx5.googlemail.com
  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx4.googlemail.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx5.googlemail.com: 30
  • alt2.aspmx.l.google.com: 20
  • aspmx.l.google.com: 10
  • aspmx3.googlemail.com: 30
  • alt1.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30
  • aspmx4.googlemail.com: 30

A / AAAA Records

  • 45.71.7.6 (no PTR)

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)

SOA Record

Raw SOA utolima.ut.edu.co root.utolima.ut.edu.co 2019061303 10800 900 604800 86400
Primary NS (mname)
utolima.ut.edu.co
Admin Email (rname)
root@utolima.ut.edu.co
Serial
2019061303
Refresh
10800s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

utolima.ut.edu.co
unitolima.ut.edu.co

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:45.71.7.2 ip4:45.71.7.9 ip4:45.71.7.8 ipv4:45.71.7.19 ip4:45.71.7.33 ip4:45.71.7.241 ip4:45.71.7.242 190.145.70.52 a:ceiba.ut.edu.co a:utolima.ut.edu.co a:ut.edu.co a:kronos.ut.edu.co include:_spf.google.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

7 records
  • SPFv=spf1 ip4:45.71.7.2 ip4:45.71.7.9 ip4:45.71.7.8 ipv4:45.71.7.19 ip4:45.71.7.33 ip4:45.71.7.241 ip4:45.71.7.242 190.145.70.52 a:ceiba.ut.edu.co a:utolima.ut.edu.co a:ut.edu.co a:kronos.ut.edu.co include:_spf.google.com ~all
  • SPFv=spf1include:_spf.google.com~all
  • ttx41dbr40y3hbssm77kv4d55dggsn9n
  • MS=121EFFF729AC5DAA37BEB2B73FEEE802E33C8D06
  • yyqqrsl7m03jz50z7230tqmd4c2mh8w2
  • google-site-verification=eiEQHQic1ECIngNvlutqb9odTo5e-avW-1eOqm1S03Q
  • cisco-ci-domain-verification=10412a011abdbfb12e875aebf9af26821f1a3e038051cc61452aa348423d0e7a
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