Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-zennecke.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 19:27:45 UTC · ↺ Refresh
MX Hostnames
- zahnarzt-zennecke.de
MX Priorities
- zahnarzt-zennecke.de: 10
A / AAAA Records
- 217.160.167.177 ↩ s24618434.onlinehome-server.info
Mail Server IPs
- 217.160.167.177 ↩ s24618434.onlinehome-server.info
SOA Record
Raw SOA
nsa9.schlundtech.de joe.joe-kramer.de 2023041200 43200 7200 1209600 86400
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
joe@joe-kramer.de
Serial
2023041200
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsc9.schlundtech.de
nsd9.schlundtech.de
nsa9.schlundtech.de
nsb9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:zahnarzt-zennecke.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:zahnarzt-zennecke.de -all
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