usac.edu.gt

Valid Email Server
Domain Lookup › usac.edu.gt

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
usac.edu.gt
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 01:28:59 UTC · ↺ Refresh

MX Hostnames

  • d165800b.ess.barracudanetworks.com
  • d165800a.ess.barracudanetworks.com

MX Priorities

  • d165800a.ess.barracudanetworks.com: 5
  • d165800b.ess.barracudanetworks.com: 5

A / AAAA Records

  • 200.115.123.67 (no PTR)

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA dns41.cloudns.net jaimeco.usac.edu.gt 2026031901 7200 1800 1209600 10800
Primary NS (mname)
dns41.cloudns.net
Admin Email (rname)
jaimeco@usac.edu.gt
Serial
2026031901
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

dns43.cloudns.net
dns41.cloudns.net
dns44.cloudns.net
dns42.cloudns.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:168.234.78.96 ip4:168.234.78.177 ip4:168.234.78.152 mx:caronte.usac.edu.gt -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

3 records
  • cisco-ci-domain-verification=143f7cf322687b1ef8716b687299ccafad1eaa9924fed0a6a68a0af416f1082f
  • google-site-verification=wugI_1F7OkQCkynA-RvwWCARMenpApe6SsoZ7wDiCWo
  • SPFv=spf1 ip4:168.234.78.96 ip4:168.234.78.177 ip4:168.234.78.152 mx:caronte.usac.edu.gt -all
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