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montessoricollegetwente.nl

.nl ok HTTP/1.1 200 975 ms

First seen 2026-06-17 · Last seen 2026-06-17 · crawled 2026-06-17

NL · 31.7.4.235 · AS20847 Previder B.V.

Reputation 92/100 no dmarc policy

sector education subsector school type landing page

HTML metadata

Title
Montessori College | Homepagina
Language
nl-NL
Generator
SEOmatic
Canonical
https://montessoricollegetwente.nl/
Translations
  • nl

Open Graph

url
https://montessoricollegetwente.nl/
title
Homepagina
locale
nl_NL
site name
Montessori College

Contact

Technology

Server
Apache
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • osgtwente.nl×10
  • bataafslyceum.nl×1
  • hetgenseler.nl×1
  • www.youtube-nocookie.com×1

Social

DNS records live

NS
  • nsauth1.introweb.nl
  • nsauth2.introweb.nl
  • nsauth3.introweb.net
MX
  • 10 relay.introweb.nl
  • 20 mail.montessoricollegetwente.nl
TXT
  • b56y7bgqblvxpg2h6rnxxxjbcth2fmyl
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a mx a:php6.alientrick.com ip4:136.144.232.88 a:ns1.at-web15.alientrick.nl ip4:83.172.129.23 ip4:83.172.130.23 ip4:83.172.131.23 ip4:217.114.97.169 ip4:31.7.4.235 ip6:2a03:9700:8000:0:75dc:f25c:4635:7a9f -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

PerfectSSL
from 2025-09-30 to 2026-11-01
Expires in 133 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://montessoricollegetwente.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing frame protection
Header values
referrer-policy
no-referrer-when-downgrade, no-referrer-when-downgrade
permissions-policy
geolocation=(self), midi=(self), sync-xhr=(self), microphone=(self), camera=(self), magnetometer=(self), gyroscope=(self), fullscreen=(self), payment=(self)
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests; block-all-mixed-content; frame-ancestors 'self' https://osghengelo.nl/ https://montessoricollegetwente.nl/ https://bataafslyceum.nl/ https://hetgenseler.nl/;
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (7)

Linked from (1)

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