janusz-korczak-kolleg.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-10 · ok HTTP/1.1 200 7974 ms crawled 2026-05-10

DE · 78.46.1.75 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

sector education type homepage

HTML metadata

Title
Janusz Korczak Kolleg - Janusz Korczak Kolleg
Language
de
Generator
Contao Open Source CMS

Technology

Server
Apache

Registration

Updated
2018-01-14
Name servers
  • ns.udag.de.
  • ns.udag.net.
  • ns.udag.org.

DNS records live

NS
  • ns.udag.de
  • ns.udag.net
  • ns.udag.org
MX
  • 10 mx00.udag.de
  • 20 mx01.udag.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-07 to 2026-08-05
Expires in 76 days

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.janusz-korczak-kolleg.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
interest-cohort=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (3)

Linked from (1)