combox.de

Valid Email Server
Domain Lookup › combox.de

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
combox.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-19 16:33:16 UTC · ↺ Refresh

MX Hostnames

  • mavas3.cbxnet.de
  • mavas2.cbxnet.de

MX Priorities

  • mavas3.cbxnet.de: 190
  • mavas2.cbxnet.de: 180

A / AAAA Records

  • 212.87.34.50 ↩ www.cbxnet.de

Mail Server IPs

  • 212.87.33.80 ↩ mavas3.cbxnet.de
  • 212.87.33.79 ↩ mavas2.cbxnet.de

SOA Record

Raw SOA ns1.combox.de postmaster.combox.de 2026022401 7200 1800 604800 600
Primary NS (mname)
ns1.combox.de
Admin Email (rname)
postmaster@combox.de
Serial
2026022401
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns3.combox.de
ns1.combox.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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