cmx.de

Valid Email Server
Domain Lookup › cmx.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 22:42:29 UTC · ↺ Refresh

MX Hostnames

  • a.mx.cat.at
  • b.mx.cat.at
  • c.mx.cat.at

MX Priorities

  • b.mx.cat.at: 20
  • a.mx.cat.at: 10
  • c.mx.cat.at: 30

A / AAAA Records

  • 85.124.85.18 (no PTR)

Mail Server IPs

  • 152.53.109.113 ↩ angus-new.cat.at
  • 152.53.66.183 ↩ a.mx.cat.at
  • 95.216.208.177 ↩ brian.cat.at

SOA Record

Raw SOA a.ns.cat.at admin.cmx.de 1768231483 10000 3600 604800 86400
Primary NS (mname)
a.ns.cat.at
Admin Email (rname)
admin@cmx.de
Serial
1768231483
Refresh
10000s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

c.ns.cat.at
d.ns.cat.at
a.ns.cat.at
b.ns.cat.at

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.cat.at ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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:_spf.cat.at ~all
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