Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schuster-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 18:01:47 UTC · ↺ Refresh
MX Hostnames
- gw4.secuborder.de
MX Priorities
- gw4.secuborder.de: 10
A / AAAA Records
- 85.13.148.113 ↩ dd21230.kasserver.com
Mail Server IPs
- 89.28.140.43 ↩ gw3.secuborder.de
SOA Record
Raw SOA
ns1042.ui-dns.org hostmaster.1und1.com 2017060105 28800 7200 604800 600
Primary NS (mname)
ns1042.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060105
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1042.ui-dns.org
ns1064.ui-dns.de
ns1098.ui-dns.com
ns1028.ui-dns.biz
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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