Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-sieber-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:26:47 UTC · ↺ Refresh
MX Hostnames
- mail.dr-sieber-immobilien.de
MX Priorities
- mail.dr-sieber-immobilien.de: 10
A / AAAA Records
- 136.243.233.47 ↩ viosys318.viosys.de
Mail Server IPs
- 213.179.68.110 ↩ viosys12.viosys.de
SOA Record
Raw SOA
nsa2.schlundtech.de schlund.viosys.com 2024041207 43200 7200 1209600 86400
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
schlund@viosys.com
Serial
2024041207
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd2.schlundtech.de
nsa2.schlundtech.de
nsb2.schlundtech.de
nsc2.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ~all
📊 DNS lookups: 3/10
~ 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
2 records- google-site-verification=qv0I2jsavwTzNKrTt4_DcCy1c8d6Be1XcQKdl28e91c
- SPFv=spf1 a mx ptr ~all
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