Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ub-gauss.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 04:09:15 UTC · ↺ Refresh
MX Hostnames
- mail.unixnetwork.de
MX Priorities
- mail.unixnetwork.de: 10
A / AAAA Records
- 212.34.178.92 ↩ sites.ub-gauss.de
- 2a01:127:7019:7::1 ↩ sites.ub-gauss.de
Mail Server IPs
- 212.34.178.87 ↩ mail.unixnetwork.de
- 2a01:127:7019:13::1 ↩ mail.unixnetwork.de
SOA Record
Raw SOA
ns1.unixnetwork.de admin.unixnetwork.de 2026012000 3600 900 1209600 1200
Primary NS (mname)
ns1.unixnetwork.de
Admin Email (rname)
admin@unixnetwork.de
Serial
2026012000
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
1200s
Nameservers (NS)
nsc0.schlundtech.de
nsd0.schlundtech.de
ns1.unixnetwork.de
nsb0.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ 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 -all
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