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insulacollege.nl

.nl ok HTTP/1.1 200 260 ms

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

US · 162.159.134.42 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector education subsector school type homepage

HTML metadata

Title
Insula College – H3O
Description
Op het Insula College doen we er alles aan om ervoor te zorgen dat je je bij ons thuis voelt. Want als je met plezier naar school gaat, is leren veel leuker.
Language
nl-NL
Generator
Site Kit by Google 1.179.0
Canonical
https://www.insulacollege.nl/
Feeds
dormant last post 1044 days ago

Open Graph

url
https://www.insulacollege.nl/
title
Insula College – H3O
locale
nl_NL
site name
Insula College – H3O
description
Op het Insula College doen we er alles aan om ervoor te zorgen dat je je bij ons thuis voelt. Want als je met plezier naar school gaat, is leren veel leuker. In ons onderwijs gaan we uit van…

Contact

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Social widgets
  • Vimeo Embed

Third-party hosts loaded (3)

  • www.googletagmanager.com×2
  • gmpg.org×1
  • player.vimeo.com×1

Registration

Registrar
Realtime Register
Created
2000-12-13
Updated
2021-11-30
Name servers
  • ns1.argewebhosting.eu
  • ns2.argewebhosting.com
  • ns3.argewebhosting.nl

DNS records live

NS
  • ns1.argewebhosting.eu
  • ns2.argewebhosting.com
  • ns3.argewebhosting.nl
MX
  • 90 d311180.a.ess.de.barracudanetworks.com
  • 95 d311180.b.ess.de.barracudanetworks.com
TXT
  • v=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx.bastion365.net
  • bastion365-domain-validation=47cecde7501a3
Verified for
  • Canva

Email authentication strong

SPF
v=spf1 include:spf.insulacollege.nl.eu-a96tglv1.e1.dspf.app -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:a96tglv1@ag.eu.dmarcadvisor.com
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTpByCHLnY5ountwCN3lEzkAibW7SG2mpruBzXS7jOLwMul79KCdic/5xBJjcZrnJUFSAm2G/9DFOY04Y0Ej…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqtSRyp3+rheu8e0wD0GZUjbn+vaQ1ys1ourfGOr7JTCSHs4pBzBoteEMC58gObkKdI0QRU1k01FoSK…
selectors probed

Certificate (current)

WE1
from 2026-05-26 to 2026-08-24
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.insulacollege.nl

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (1)

Linked from (2)

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