kj.de

Valid Email Server
Domain Lookup › kj.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 13:21:59 UTC · ↺ Refresh

MX Hostnames

  • mx04.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 217.114.74.203 ↩ kjahnke01.nmmn.com

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com

SOA Record

Raw SOA ns2.nmmn.com root.kj.de 2025081301 28800 7200 604800 86400
Primary NS (mname)
ns2.nmmn.com
Admin Email (rname)
root@kj.de
Serial
2025081301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns3.nmmn.de
ns2.nmmn.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:193.108.193.0/24 ip4:217.114.74.203 ip6:2a03:16e0:2001::/48 include:mailgun.org include:spf.mandrillapp.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.mailjet.com ~all
📊 DNS lookups: 6/10
~ 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

9 records
  • 1b4171a603dcf7e924cfa35bcaad67563e963b960fd56281f3607d699c797c59
  • 84749d52c4eb1669163f3d429cd7d4831dfdcb9c2fb3a6ec6d1d8b0a3073e26
  • MS=ms37731199
  • 3c4e988de9ade0a48ed1e9de4d4e45d0fb54cd631c7bca83124442d8eb0f5a22
  • 7a22dc0d01acfcf302c39304cad9fe1adb67e4c8d40d84c6784a18ae8bf872a
  • 7850d97ef24cec277f8faed0356fdeb5019ad4aaa715f50b0e6251ed4b7507b
  • duo_sso_verification=ZtNwujC6uJD8ImSM9yIuFTdF6rOgoUcRPFA9m2BC3THAxbxAFoPvLnuYAGSzyE7u
  • oqL6NPUAz2pBltVNh6XVPF7wrejS1TjWMqrt689eRM/N08H4lK+0cZgBrsuRE5ZTjYngfJciLJWglvLNfpHMwA==
  • SPFv=spf1 ip4:193.108.193.0/24 ip4:217.114.74.203 ip6:2a03:16e0:2001::/48 include:mailgun.org include:spf.mandrillapp.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.mailjet.com ~all
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