Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cda-gelsenkirchen.de
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 13:21:14 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 193.32.223.135 ↩ srv6.sharkness.de
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
a.ns14.net jr.sharkness.de 2024110700 43200 7200 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
jr@sharkness.de
Serial
2024110700
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
a.ns14.net
d.ns14.net
b.ns14.net
c.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +a:mx1.sharkness.de +a:mx2.sharkness.de +a:mail.sharkness-newsletter.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 +a +mx +a:mx1.sharkness.de +a:mx2.sharkness.de +a:mail.sharkness-newsletter.de ~all
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