kesslernetworks.de

Valid Email Server
Domain Lookup › kesslernetworks.de

Domain Overview

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

Checked via [email protected] · 2026-03-14 04:18:23 UTC · ↺ Refresh

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MX Hostnames

  • mailin.dcpserver.de
  • mailin3.dcpserver.de

MX Priorities

  • mailin3.dcpserver.de: 20
  • mailin.dcpserver.de: 10

A / AAAA Records

  • 212.53.130.107 (no PTR)

Mail Server IPs

  • 212.53.180.4 ↩ mailin200.dcpserver.de
  • 212.53.180.6 ↩ mailin200.dcpserver.de
  • 212.53.180.5 ↩ mailin200.dcpserver.de
  • 2a00:1f78:af02::6 ↩ mailin200.dcpserver.de
  • 2a00:1f78:af02::4 ↩ mailin200.dcpserver.de
  • 2a00:1f78:af02::5 ↩ mailin200.dcpserver.de

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2013044691 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2013044691
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns1170.dns.dyn.com
ns2153.dns.dyn.com
ns3178.dns.dyn.com
ns4186.dns.dyn.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:80.252.97.0/24 ip4:80.252.110.0/29 ip4:80.252.111.0/26 ip4:212.72.176.64/29 ip4:212.72.187.32/27 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

2 records
  • SPFv=spf1 mx ip4:80.252.97.0/24 ip4:80.252.110.0/29 ip4:80.252.111.0/26 ip4:212.72.176.64/29 ip4:212.72.187.32/27 -all
  • google-site-verification=WLXJo6_fnLnO8rmjdMKBuTIKpMglVTmrInyO1e8-HKg
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