kassenbaum.de

Valid Email Server
Domain Lookup › kassenbaum.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 14:55:49 UTC · ↺ Refresh

MX Hostnames

  • mail.kassenbaum.de
  • mxe84b.netcup.net

MX Priorities

  • mail.kassenbaum.de: 10
  • mxe84b.netcup.net: 50

A / AAAA Records

  • 202.61.232.73 ↩ ae849.netcup.net
  • 2a03:4000:61:376a::18:1284 (no PTR)

Mail Server IPs

  • 202.61.232.75 ↩ mxe84b.netcup.net
  • 2a03:4000::4f6:b48e:19ff:fe6b:34e4 ↩ mxe84b.netcup.net

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2022112812 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2022112812
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

second-dns.netcup.net
root-dns.netcup.net
third-dns.netcup.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~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

1 record
  • SPFv=spf1 mx a include:_spf.webhosting.systems ~all
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