Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sperling-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:50:34 UTC · ↺ Refresh
MX Hostnames
- mx1.onoffice.de
- webmail.sperling-immobilien.de
- mx2.onoffice.de
MX Priorities
- webmail.sperling-immobilien.de: 30
- mx2.onoffice.de: 20
- mx1.onoffice.de: 10
A / AAAA Records
- 156.67.232.202 ↩ r14281.agenturserver.it
Mail Server IPs
- 217.160.176.80 ↩ s18377279.onlinehome-server.info
- 95.130.253.71 ↩ mx2.onoffice.de
- 95.130.253.60 ↩ mx1.onoffice.de
SOA Record
Raw SOA
ns1.nsserve.de root.ns1.nsserve.de 2025031802 40000 7200 604800 86400
Primary NS (mname)
ns1.nsserve.de
Admin Email (rname)
root@ns1.nsserve.de
Serial
2025031802
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.nsserve.de
ns2.nsserve.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:_spf.onoffice.de ~all
📊 DNS lookups: 2/10
~ 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
1 record- SPFv=spf1 a include:_spf.onoffice.de ~all
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