koussen.de

Valid Email Server
Domain Lookup › koussen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koussen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 23:21:37 UTC · ↺ Refresh

MX Hostnames

  • mail.koussen.com

MX Priorities

  • mail.koussen.com: 10

A / AAAA Records

  • 81.169.155.238 ↩ h3008540.stratoserver.net

Mail Server IPs

  • 88.198.71.204 ↩ mail.koussen.com

SOA Record

Raw SOA ns1.domaindiscount24.net tech.key-systems.net 2023120514 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2023120514
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net

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

3 records
  • koussen.de. 3600 IN TXT v=spf1 include:koussen.com ?all
  • _dmarc.koussen.de. 3600 IN TXT v=DMARC1; p=reject;
  • 2017._domainkey 3600 IN TXT v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwTKXwURpOXda94a6ylrCBrVO30I4C6C3NcNuGcprxa1Udr05Sk8MrDKNhr3x0tuIGERtQbfGWabHi0tbU/c4x3sJKk30GDIyFoJqwj1lWcXHPsC7MZDwAlOtFFhfq1215PsarH1b8s5bEAdGn2GipkTHnxB0xnn+ePU3 Ntyp9+/B/1iTVfTZw4kbxkIUJPyjRxQu6NlqbhvTWkMD4ZW8zjgob5rma33MM4D2USp534WGxQ2FJNEw9EkTuLLGlUZ2meaG1qO3xCzaxEhSPv3UAgv6yEUjkP6q3Iztyepukccb3CsjX1M9vZ6WnwG9HMDDtKHtndZLjSRZEA6csAhZOQIDAQAB
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