Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swh-immo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:56:46 UTC · ↺ Refresh
MX Hostnames
- mx02.he.dbc-gruppe.de
- mx01.he.dbc-gruppe.de
MX Priorities
- mx01.he.dbc-gruppe.de: 10
- mx02.he.dbc-gruppe.de: 20
A / AAAA Records
- 81.169.145.150 ↩ w96.rzone.de
- 2a01:238:20a:202:1150:: ↩ w96.rzone.de
Mail Server IPs
- 193.22.255.47 ↩ mx01.he.dbc-gruppe.de
- 193.22.255.48 ↩ mx02.he.dbc-gruppe.de
SOA Record
Raw SOA
docks20.rzone.de hostmaster.strato-rz.de 2021012163 86400 7200 604800 300
Primary NS (mname)
docks20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021012163
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks20.rzone.de
shades17.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.dbc-gruppe.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
2 records- MS=ms25592014
- SPFv=spf1 mx include:spf.dbc-gruppe.de -all
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