Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uniklinik-duesseldorf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 22:23:49 UTC · ↺ Refresh
MX Hostnames
- mail1-ukd.med.uni-duesseldorf.de
MX Priorities
- mail1-ukd.med.uni-duesseldorf.de: 10
A / AAAA Records
- 185.57.241.83 ↩ ukd0-l-proxy0.iquer.net
Mail Server IPs
- 134.99.197.15 ↩ mail1-ukd.med.uni-duesseldorf.de
SOA Record
Raw SOA
ns1.arcor-ip.de hostmaster.adm.arcor.net 2026031200 28800 14400 1814400 7200
Primary NS (mname)
ns1.arcor-ip.de
Admin Email (rname)
hostmaster@adm.arcor.net
Serial
2026031200
Refresh
28800s
Retry
14400s
Expire
1814400s
Minimum TTL
7200s
Nameservers (NS)
ns3.arcor-ip.de
ns1.arcor-ip.de
ns2.arcor-ip.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
3 records- yxmsy87dq80h8dp01qp1y8bdpc7yym3k
- linkedin-site-verification=199c1914-3ba1-4968-bb9e-8d8767f6adb1
- HARICA-yeaL6Bu1k7KPi4NIHiU
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