cdcn.us

Valid Email Server
Domain Lookup › cdcn.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cdcn.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 18:58:58 UTC · ↺ Refresh

MX Hostnames

  • smtp04.topdns.com
  • smtp02.topdns.com
  • smtp03.topdns.com

MX Priorities

  • smtp04.topdns.com: 10
  • smtp02.topdns.com: 10
  • smtp03.topdns.com: 10

A / AAAA Records

  • 5.22.145.16 ↩ relay.mail-forwarder.io
  • 5.22.145.121 ↩ relay.mail-forwarder.io
  • 2a00:18e0:5:2:7577:4e4d:413b:f507 ↩ relay.mail-forwarder.io
  • 2a00:18e0:5:3:dfe2:c743:85aa:61bc ↩ relay.mail-forwarder.io

Mail Server IPs

  • 109.201.142.226 ↩ smtp04.topdns.com
  • 77.247.183.138 ↩ smtp02.topdns.com
  • 85.159.232.242 ↩ smtp03.topdns.com

SOA Record

Raw SOA ns1.monikerdns.net dnsadmin.moniker.com 2024061900 43200 900 1209600 3600
Primary NS (mname)
ns1.monikerdns.net
Admin Email (rname)
dnsadmin@moniker.com
Serial
2024061900
Refresh
43200s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.monikerdns.net
ns3.monikerdns.net
ns4.monikerdns.net
ns1.monikerdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf1.topdns.com include:spf2.topdns.com ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no 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

1 record
  • SPFv=spf1 include:spf1.topdns.com include:spf2.topdns.com ?all
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