cdri.net

Valid Email Server
Domain Lookup › cdri.net

Domain Overview

DNS: ✓ 18d ago Checker: ✓ 18d ago
cdri.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-23 07:14:13 UTC · ↺ Refresh

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MX Hostnames

  • d113541a.ess.barracudanetworks.com
  • d113541b.ess.barracudanetworks.com

MX Priorities

  • d113541a.ess.barracudanetworks.com: 10
  • d113541b.ess.barracudanetworks.com: 20

A / AAAA Records

  • 216.239.139.46 ↩ 216-239-139.46.cluster.omnis.com

Mail Server IPs

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

SOA Record

Raw SOA primary.guardeddns.net dns-admin.guardeddns.net 245 28800 450 1209600 900
Primary NS (mname)
primary.guardeddns.net
Admin Email (rname)
dns-admin@guardeddns.net
Serial
245
Refresh
28800s
Retry
450s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns1.omnis.com
ns3.omnis.com
ns2.omnis.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

3 records
  • 74b58b99670217e7ea919b0282dffd21
  • MS=ms31542917
  • SPFv=spf1 include:spf.protection.outlook.com -all
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