Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
unidui.uni-duisburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 23:18:09 UTC · ↺ Refresh
MX Hostnames
- mx-serv5.uni-due.de
- mx-serv3.uni-due.de
- mx-serv4.uni-due.de
MX Priorities
- mx-serv4.uni-due.de: 10
- mx-serv3.uni-due.de: 10
- mx-serv5.uni-due.de: 10
A / AAAA Records
- 134.91.4.3 ↩ unidui.uni-duisburg.de
Mail Server IPs
- 134.91.50.14 ↩ mx-serv4.uni-due.de
- 134.91.50.12 ↩ mx-serv3.uni-duisburg-essen.de
- 134.91.50.16 ↩ mx-serv5.uni-duisburg-essen.de
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
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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