Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ibz-bau-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:54:03 UTC · ↺ Refresh
MX Hostnames
- mx00.kundenserver.de
- mx01.kundenserver.de
- mail-mx.ibz-gruppe.de
MX Priorities
- mx00.kundenserver.de: 20
- mx01.kundenserver.de: 21
- mail-mx.ibz-gruppe.de: 10
A / AAAA Records
- 217.160.0.24 ↩ 217-160-0-24.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2c7 ↩ 2001-08d8-100f-f000-0000-0000-0000-02c7.elastic-ssl.ui-r.com
Mail Server IPs
- 212.227.15.41 ↩ mx00.kundenserver.de
- 217.72.192.67 ↩ mx01.kundenserver.de
- 109.73.24.70 ↩ mail-mx.ibz-gruppe.de
SOA Record
Raw SOA
ns1048.ui-dns.com hostmaster.1und1.com 2017011826 28800 7200 604800 600
Primary NS (mname)
ns1048.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017011826
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1045.ui-dns.biz
ns1097.ui-dns.org
ns1050.ui-dns.de
ns1048.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:109.73.24.70 -all
📊 DNS lookups: 1/10
✓ 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 mx ip4:109.73.24.70 -all
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