indexo.dev

gymnasium-achim.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP/1.1 200 1794 ms crawled 2026-05-08

DE · 81.169.145.143 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Cato Bontjes van Beek-Gymnasium – Aktuelles
Description
Aktuelles
Language
de-de
Generator
Joomla! - Open Source Content Management
Feeds

Technology

Server
Apache
CMS
Joomla

Registration

Updated
2015-11-02
Name servers
  • docks04.rzone.de.
  • shades08.rzone.de.

DNS records live

NS
  • docks04.rzone.de
  • shades08.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 2025-08-08 to 2026-08-30
Expires in 101 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://gymnasium-achim.de/

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

Linked from (1)