indexo.dev

montessori-zentrum-niederrhein.de

.de crawl

First seen 2026-05-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 781 ms crawled 2026-05-19

DE · 176.9.155.88 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Willkommen - Montessori Zentrum Niederrhein - Privatschule
Description
Grundschule und Weiterführende Schule (Sekundarstufe I) in Rheinberg-Borth
Language
de
Canonical
https://montessori-zentrum-niederrhein.de/

Open Graph

url
https://montessori-zentrum-niederrhein.de/
title
Willkommen - Montessori Zentrum Niederrhein - Privatschule
locale
de_DE
site name
Montessori Zentrum Niederrhein - Privatschule
description
Grundschule und Weiterführende Schule (Sekundarstufe I) in Rheinberg-Borth

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×11
  • www.google.com×2

Contact

Email
Phone

Registration

Updated
2018-05-03
Name servers
  • docks13.rzone.de.
  • shades17.rzone.de.

DNS records live

NS
  • docks13.rzone.de
  • shades17.rzone.de
MX
  • 5 smtpin.rzone.de
Verified for
  • Google

Email authentication strong

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

Certificate (current)

R13
from 2026-03-28 to 2026-06-27
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://montessori-zentrum-niederrhein.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")