kernelconcepts.de

Valid Email Server
Domain Lookup › kernelconcepts.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 17:54:06 UTC · ↺ Refresh

MX Hostnames

  • mail.kernelconcepts.de

MX Priorities

  • mail.kernelconcepts.de: 10

A / AAAA Records

  • 5.9.102.236 ↩ static.5-9-102-236.clients.your-server.de

Mail Server IPs

  • 188.40.83.200 ↩ mail.kernelconcepts.de

SOA Record

Raw SOA dns.kernelconcepts.de root.dns.kernelconcepts.de 2025112701 10800 3600 604800 7200
Primary NS (mname)
dns.kernelconcepts.de
Admin Email (rname)
root@dns.kernelconcepts.de
Serial
2025112701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
dns.kernelconcepts.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~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

5 records
  • google-site-verification=0yGv-kCudhDib_oJ3QK4hIgYDqa2xn7SGWzXU14j7vk
  • google-site-verification=Epx75QVCaz1pHEB8u_PBPGInKHHPmE9Ed7iV928Jg7E
  • google-site-verification=ih7E9091XGdr7jpowZkha_t3vz3trhPqtGKNXd55kZ8
  • SPFv=spf1 mx ~all
  • kernel concepts, Germany
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