cox.net

Valid Email Server
Domain Lookup › cox.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cox.net
Yes
✓ Yes
Yahoo
No
Yes
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 20:41:32 UTC · ↺ Refresh

MX Hostnames

  • mta7.am0.yahoodns.net
  • mta6.am0.yahoodns.net
  • mta5.am0.yahoodns.net

MX Priorities

  • mta5.am0.yahoodns.net: 1
  • mta6.am0.yahoodns.net: 1
  • mta7.am0.yahoodns.net: 1

A / AAAA Records

  • 98.182.1.143

Mail Server IPs

  • 67.195.228.110 ↩ mtaproxy3.free.mail.vip.gq1.yahoo.com
  • 98.136.96.91 ↩ mtaproxy3.free.mail.vip.ne1.yahoo.com
  • 67.195.204.74 ↩ mtaproxy5.free.mail.vip.bf1.yahoo.com
  • 98.136.96.76 ↩ mtaproxy4.free.mail.vip.ne1.yahoo.com
  • 67.195.228.109 ↩ mtaproxy5.free.mail.vip.gq1.yahoo.com
  • 67.195.204.77 ↩ mtaproxy1.free.mail.vip.bf1.yahoo.com
  • 67.195.228.106 ↩ mtaproxy2.free.mail.vip.gq1.yahoo.com
  • 67.195.204.72 ↩ mtaproxy3.free.mail.vip.bf1.yahoo.com
  • 98.136.96.77 ↩ mtaproxy5.free.mail.vip.ne1.yahoo.com
  • 98.136.96.75 ↩ mtaproxy1.free.mail.vip.ne1.yahoo.com
  • 98.136.96.74
  • 67.195.204.79
  • 67.195.204.73
  • 67.195.228.94
  • 67.195.228.111

SOA Record

Raw SOA dukensumpov1z.services.cox.net hostmaster.cox.net 781212129 28800 7200 604800 3600
Primary NS (mname)
dukensumpov1z.services.cox.net
Admin Email (rname)
hostmaster@cox.net
Serial
781212129
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_ipspf.yahoo.com include:cxr.spf.a.cloudfilter.net ip4:68.230.240.0/24 ip4:68.230.241.0/24 ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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
  • SPFv=spf1 include:_ipspf.yahoo.com include:cxr.spf.a.cloudfilter.net ip4:68.230.240.0/24 ip4:68.230.241.0/24 ?all
  • _p29osonqhz0c740t8muop7tr0tasp0r
  • _ithe1ncutc8q7plo1zl4vvqs68q4msb
Full email verification for cox.net

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