kolbe.de

Valid Email Server
Domain Lookup › kolbe.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 23:42:10 UTC · ↺ Refresh

MX Hostnames

  • mail.kolbe.de
  • mailsecurity.hostingzone.eu

MX Priorities

  • mailsecurity.hostingzone.eu: 0
  • mail.kolbe.de: 10

A / AAAA Records

  • 212.224.116.19 ↩ p407.jtl-hosting.de

Mail Server IPs

  • 77.73.250.55 ↩ mailsecurity.hostingzone.eu
  • 77.73.253.140 ↩ free-077-073-253-140.hostingzone.eu

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2025100102 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025100102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:ispgateway.de ip4:37.60.3.52 ip4:87.139.69.230 ip4:57.103.69.242 ip4:77.73.253.140 ip4:77.73.250.55 ~all
📊 DNS lookups: 3/10
~ 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

3 records
  • MS=D4C7456611BA883E8C6DF4A2A1FF19ACF4377D3E
  • MS=ms23113187
  • SPFv=spf1 mx a include:ispgateway.de ip4:37.60.3.52 ip4:87.139.69.230 ip4:57.103.69.242 ip4:77.73.253.140 ip4:77.73.250.55 ~all
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