knappe-web.de

Valid Email Server
Domain Lookup › knappe-web.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
knappe-web.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 15:52:09 UTC · ↺ Refresh

MX Hostnames

  • mail3.cse-online.de

MX Priorities

  • mail3.cse-online.de: 10

A / AAAA Records

  • 83.138.80.111 ↩ maweyo.han-solo.net

Mail Server IPs

  • 80.190.147.230 ↩ mail3.cse-online.de
  • 2a01:138:9011::230 ↩ mail3.cse-online.de

SOA Record

Raw SOA a.ns14.net bkraus.cse-online.de 2017011700 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
bkraus@cse-online.de
Serial
2017011700
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
b.ns14.net
d.ns14.net
a.ns14.net

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

1 record
  • SPFv=spf1 mx ~all
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