indexo.dev

liebigschule-frankfurt.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-09 · ok HTTP/1.1 200 3117 ms crawled 2026-05-09

DE · 81.169.145.159 · AS6724 Strato GmbH

Reputation 100/100

sector education type homepage

HTML metadata

Title
Start – Liebigschule Frankfurt
Description
Das Gymnasium versucht durch Austauschprogramme und entsprechend angelegte Projekte, den europäischen Gedanken zu fördern und zu praktizieren.
Language
de-de
Generator
Helix Ultimate - The Most Popular Joomla! Template Framework.
Feeds

Technology

Server
Apache
CMS
Joomla
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Registration

Updated
2013-07-22
Name servers
  • docks19.rzone.de.
  • shades15.rzone.de.

DNS records live

NS
  • docks19.rzone.de
  • shades15.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-27 to 2026-10-19
Expires in 151 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://liebigschule-frankfurt.de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • weak content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff, nosniff
cross-origin-opener-policy
same-origin

Links to (4)

Linked from (1)