Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biotec.tu-dresden.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:12:25 UTC · ↺ Refresh
MX Hostnames
- mailin-prim1.zih.tu-dresden.de
- mailin-prim2.zih.tu-dresden.de
- mailin-sek1.zih.tu-dresden.de
MX Priorities
- mailin-prim1.zih.tu-dresden.de: 10
- mailin-prim2.zih.tu-dresden.de: 10
- mailin-sek1.zih.tu-dresden.de: 10
A / AAAA Records
- 141.76.27.134 ↩ biotec.tu-dresden.de
Mail Server IPs
- 141.30.67.64 ↩ mailin-prim1.zih.tu-dresden.de
- 141.30.67.65 ↩ mailin-prim2.zih.tu-dresden.de
- 141.76.32.216 ↩ mailin-sek1.zih.tu-dresden.de
SOA Record
Raw SOA
pdns1.zih.tu-dresden.de hostmaster.tu-dresden.de 2025091700 21600 3600 2419200 3600
Primary NS (mname)
pdns1.zih.tu-dresden.de
Admin Email (rname)
hostmaster@tu-dresden.de
Serial
2025091700
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns-3.dfn.de
adns1.zih.tu-dresden.de
dns-1.dfn.de
adns2.zih.tu-dresden.de
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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