indexo.dev

designzentrum-koeln.de

.de crawl

First seen 2026-05-08 · Last seen 2026-05-19 · ok HTTP/1.1 200 2226 ms crawled 2026-05-15

DE · 91.233.84.90 · AS20647 IPB Internet Provider in Berlin GmbH

Reputation 64/100 wrong cert weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Design Zentrum Köln | Design Center Cologne
Description
Design Zentrum Köln | Design Center Cologne | Design in Köln

Technology

Server
Apache

Registration

Updated
2013-12-04
Name servers
  • ns1.prodns.de.
  • ns2.prodns.de.
  • ns3.prodns.de.

DNS records live

NS
  • ns1.prodns.de
  • ns2.prodns.de
  • ns3.prodns.de
MX
  • 10 mail.designzentrum-koeln.de

Email authentication partial

SPF
v=spf1 a mx ip4:91.233.84.0/22 ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-10-28 to 2026-11-26
Expires in 190 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://designzentrum-koeln.de/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (2)