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osgtwente.nl

.nl ok HTTP/1.1 200 675 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 100/100

sector education subsector school type homepage

HTML metadata

Title
Eigentijds en inspirerend openbaar onderwijs | OSG Twente
Description
OSG Almelo Hengelo wordt gevormd door zes scholen met een eigen profiel. Almal College, Het Bataafs Lyceum, 't Genseler, C.T. Stork College, Het Erasmus…
Language
nl-NL
Generator
SEOmatic
Canonical
https://osgtwente.nl/

Open Graph

url
https://osgtwente.nl/
title
Eigentijds en inspirerend openbaar onderwijs
locale
nl_NL
site name
OSG Twente
description
OSG Almelo Hengelo wordt gevormd door zes scholen met een eigen profiel. Almal College, Het Bataafs Lyceum, 't Genseler, C.T. Stork College, Het Erasmus…

Contact

Technology

Server
Apache

DNS records live

NS
  • nsauth1.introweb.nl
  • nsauth2.introweb.nl
  • nsauth3.introweb.net
MX
  • 1 osgtwente-nl.e-v1.mx.microsoft
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.presentis.nl include:spf.eu.exclaimer.net ip4:31.7.4.235 ip6:2a03:9700:8000:0:75dc:f25c:4635:7a9f -all
strict (-all)
DMARC
v=DMARC1;p=quarantine
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA66y2lrtKMYaenfzuebfT0C47AjEUWYEW+wWuLTEny3b4IR6Tbr+AH368vGgA9SWasqK9mv1J+UHuO6…
selectors probed

Certificate (current)

PerfectSSL
from 2026-01-05 to 2027-01-06
Expires in 199 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://osgtwente.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 (12)

Linked from (2)

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