cox-internet.com

Valid Email Server
Domain Lookup › cox-internet.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cox-internet.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 18:43:53 UTC · ↺ Refresh

MX Hostnames

  • mx.coxmail.com

MX Priorities

  • mx.coxmail.com: 10

A / AAAA Records

  • 66.76.2.210 (no PTR)

Mail Server IPs

  • 173.45.18.104 ↩ mx21.oxsus-vadesecure.net
  • 68.14.216.234 ↩ wsip-68-14-216-234.ph.ph.cox.net
  • 51.81.171.231 ↩ mx24.oxsus-vadesecure.net
  • 51.81.171.230 ↩ mx23.oxsus-vadesecure.net
  • 173.45.18.105 ↩ mx22.oxsus-vadesecure.net

SOA Record

Raw SOA dukensumpov1z.services.cox.net hostmaster.cox.net 781212117 28800 7200 1382400 3600
Primary NS (mname)
dukensumpov1z.services.cox.net
Admin Email (rname)
hostmaster@cox.net
Serial
781212117
Refresh
28800s
Retry
7200s
Expire
1382400s
Minimum TTL
3600s

Nameservers (NS)

ns.west.cox.net
ns.cox.net
ns.east.cox.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:coxmail.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

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

1 record
  • SPFv=spf1 mx include:coxmail.com ?all
Full email verification for cox-internet.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits