indexo.dev

kennenlernenumwelt.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 5910 ms crawled 2026-05-17

DE · 138.201.175.114 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
KennenLernenUmwelt, ein außerschulisches Lernangebot an Agger und Sülz
Description
Naturschule Aggerbogen, Archäologiewerkstatt Gut Eichthal, Performance- & Medienwerkstatt Schloss Eulenbroich, Literatur- & Kunstwerkstatt Burg Wissem.
Language
de

Open Graph

url
/
title
KennenLernenUmwelt, ein außerschulisches Lernangebot an Agger und Sülz
region
Nordrhein-Westfalen
latitude
50.817630
locality
Troisdorf
longitude
7.164990
site name
KennenLernenUmwelt
description
Naturschule Aggerbogen, Archäologiewerkstatt Gut Eichthal, Performance- & Medienwerkstatt Schloss Eulenbroich, Literatur- & Kunstwerkstatt Burg Wissem.
postal-code
53840
country-name
Deutschland
street-address
Burgallee 1

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×2

Social

Registration

Updated
2018-02-06
Name servers
  • ns1.first-ns.de.
  • robotns2.second-ns.de.
  • robotns3.second-ns.com.

DNS records live

NS
  • ns1.first-ns.de
  • robotns2.second-ns.de
  • robotns3.second-ns.com
MX
  • 10 mail.singular.de
  • 20 mx2.singular.de
TXT
  • google-site-verification=02orQWXiCl0Pg-QRUrrUZmOb1Rn6MiI6LtGjQplTsqI

Email authentication strong

SPF
v=spf1 mx include:amazonses.com include:spf.sendinblue.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc-report@singular.de; ruf=mailto:dmarc-report@singular.de; fo=0; adkim=r; aspf=r; rf=afrf; sp=none
policy: quarantine · sp=none
DKIM
  • s1: v=DKIM1; t=y; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD8/z2mAXLJGRjcQfeAfgCmR5Y5aYlHrAdHjob5fmY4VN6k3yPizenZ5+ifWjSxxCph9dXBJyYGhKlDJ…
selectors probed

Certificate (current)

R13
from 2026-03-24 to 2026-06-22
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.kennenlernenumwelt.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000

Links to (5)

Linked from (1)