indexo.dev

montessori.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 440 ms crawled 2026-06-03

NL · 178.22.60.153 · AS12859 BIT BV

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Montessori | De Nederlandse Montessori Vereniging
Description
Zelf aan zetIn de kinderopvang, op basisscholen en scholen voor voortgezet onderwijs. Al meer dan 100 jaar genieten zo’n 60.000 […]
Language
nl-NL
Canonical
https://montessori.nl/

Open Graph

url
https://montessori.nl/
title
Homepage - Montessori
locale
nl_NL
site name
Montessori
description
De NMV verbindt alle montessori-instellingen in Nederland en bevordert en bewaakt de kwaliteit van het montessorionderwijs en -opvoeding.

Technology

Server
Apache
CMS
WordPress
PHP
8.1.34 end of life
jQuery
3.5.1

Third-party hosts loaded (2)

  • code.jquery.com×2
  • kit.fontawesome.com×1

DNS records live

NS
  • ns1.qweb.nl
  • ns2.qweb.nl
  • ns3.qweb.co
MX
  • 0 montessori-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:_spf.spam-filter.email include:_spf.vrhl.nl -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-12 to 2026-08-10
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://montessori.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)