Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btv-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:46:19 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- mx01.ionos.de
MX Priorities
- mx00.ionos.de: 10
- mx01.ionos.de: 10
A / AAAA Records
- 213.160.71.154 (no PTR)
- 2a00:17d8:200::f1 (no PTR)
Mail Server IPs
- 212.227.15.41 ↩ mx00.kundenserver.de
- 217.72.192.67 ↩ mx01.kundenserver.de
SOA Record
Raw SOA
ns1.hosting.de hostmaster.btv-immobilien.de 2026021101 86400 7200 3600000 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@btv-immobilien.de
Serial
2026021101
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s
Nameservers (NS)
ns1.hosting.de
ns2.hosting.de
ns3.hosting.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:_spf.google.com ~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
2 records- zone-ownership-verification-d7933e0ad8e163821d9358ecd7f335f6720c0ac453dc2adb89eed87a6102390d
- SPFv=spf1 include:_spf-eu.ionos.com include:_spf.google.com ~all
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