Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
katzenpraxis-wuppertal.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:44:10 UTC · ↺ Refresh
MX Hostnames
- mail.zimmer-se.de
MX Priorities
- mail.zimmer-se.de: 10
A / AAAA Records
- 188.40.3.130 ↩ dedi2230.your-server.de
- 2a01:4f8:d0a:3124::2 ↩ dedi2230.your-server.de
Mail Server IPs
- 93.241.79.24 ↩ mail.zimmer-se.de
- 2003:a:270f:1800:215:5dff:feb4:c401 ↩ mail.zimmer-se.de
SOA Record
Raw SOA
nsa8.schlundtech.de joerg\.zimmer.gmx.net 2025013100 43200 7200 1209600 600
Primary NS (mname)
nsa8.schlundtech.de
Admin Email (rname)
joerg\@zimmer.gmx.net
Serial
2025013100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsc8.schlundtech.de
nsb8.schlundtech.de
nsd8.schlundtech.de
nsa8.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=V1xor4uI87CWF4pLPVYCPrVT3zAnnYwIaxuzsG7ZAXE
- SPFv=spf1 a mx ~all
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