Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catnet.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 03:04:04 UTC · ↺ Refresh
MX Hostnames
- catnet.de
MX Priorities
- catnet.de: 10
A / AAAA Records
- 91.15.27.253 ↩ p5b0f1bfd.dip0.t-ipconnect.de
Mail Server IPs
- 91.15.27.253 ↩ p5b0f1bfd.dip0.t-ipconnect.de
SOA Record
Raw SOA
docks12.rzone.de hostmaster.strato-rz.de 2020061332 86400 7200 604800 300
Primary NS (mname)
docks12.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020061332
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks12.rzone.de
shades01.rzone.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
No TXT records found.
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