indexo.dev

klassewasser.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 2516 ms crawled 2026-05-18

DE · 217.9.40.133 · AS8881 1&1 Versatel GmbH

Reputation 100/100

Classifying

HTML metadata

Title
klassewasser.de
Description
klassewasser.de ist die Kinder- und Jugendinternetseite zum Thema Wasser. Hier gibt es viele Wasserinfos z.B. zu Aggregatzuständen, Lebensraum Wasser, Trinkwasser, Abwasser, sowie Ressourcenschutz und Nachhaltigkeit.
Language
de
Generator
Leonhardt Multimedia GmbH Berlin, www.leonhardt.de

Technology

Server
Apache
Cookie consent
  • Cookiebot

Third-party hosts loaded (1)

  • consent.cookiebot.com×1

Registration

Updated
2015-02-23
Name servers
  • ns01.versatel.de.
  • ns02.versatel.de.
  • ns04.versatel.de.

DNS records live

NS
  • ns01.versatel.de
  • ns02.versatel.de
  • ns04.versatel.de

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-18 to 2026-07-17
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://klassewasser.de/content/language1/html/portal.php

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
no-referrer
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubdomains;, max-age=157680000

Links to (2)

Linked from (3)