Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lws-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:09:40 UTC · ↺ Refresh
MX Hostnames
- mx1.onoffice.de
- mx3.onoffice.de
- mx1.onoffice.de
- mx2.onoffice.de
MX Priorities
- mx1.onoffice.de: 5
- mx1.onoffice.de: 10
- mx3.onoffice.de: 30
- mx2.onoffice.de: 20
A / AAAA Records
- 5.180.66.42 (no PTR)
Mail Server IPs
- 95.130.253.60 ↩ mx1.onoffice.de
- 95.130.253.56 ↩ mx3.onoffice.de
- 95.130.253.71 ↩ mx2.onoffice.de
SOA Record
Raw SOA
ns.internet1.de dns.internet1.de 2025082801 3600 900 1209600 1800
Primary NS (mname)
ns.internet1.de
Admin Email (rname)
dns@internet1.de
Serial
2025082801
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns2.internet1.de
ns.internet1.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.internet1.de ip4:95.130.253.0/24 ip6:2a00:12c0:1013::/48 -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 a mx include:_spf.internet1.de ip4:95.130.253.0/24 ip6:2a00:12c0:1013::/48 -all
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