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castorcollege.nl

.nl ok HTTP/1.1 200 665 ms

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

NL · 134.209.91.83 · AS14061 DigitalOcean, LLC

Reputation 100/100

sector education subsector school type homepage

HTML metadata

Title
Castor College – mavo-havo-atheneum-gymnasium | We zien je!
Description
Wij geloven dat een vertrouwde omgeving waar je jezelf kan zijn de beste basis is om te schitteren.
Language
nl-NL
Canonical
https://www.castorcollege.nl/
Feeds
active last post 6 days ago

Open Graph

url
https://www.castorcollege.nl/
title
Castor College – mavo-havo-atheneum-gymnasium | We zien je!
locale
nl_NL
site name
Castor College – mavo-havo-atheneum-gymnasium
description
Wij geloven dat een vertrouwde omgeving waar je jezelf kan zijn de beste basis is om te schitteren.

Contact

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 0 castorcollege-nl.o-v1.mx.microsoft
TXT
  • VovCSMe9TNrC3yNzcUKHhsYxQNv5jkzBMNnMIA/J+Xs=
  • DomainVerification=YADQ7M5ONXG8JNDNV2J6YYO8WIM7ZZQDELG9N8WJRX2AWDV19XKT1H0BA7VHIS56
Verified for
  • Adobe
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx include:servers.mcsv.net include:spf.protection.outlook.com include:spf.topdesk.net ip4:81.21.176.90 include:spf.bhosted.nl include:spf.flowmailer.net include:spf.mailcamp.nl -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:rua@report.rect.to,mailto:dmarc_agg@vali.email;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqiyy4r0vgHjquAWV5BKUgGJDrTAhGQUaa9nVQmOvns1K216OdhUrpTCkVkEw9XOkJtlnmQ+SzBpz0j…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAviPvnLUHujaHeox6bV+an9bt5oKFrMJuJPz8GI9/3Js7tvcVPhbK3GaWltfYOQEvSdgW3QSyW3b+Mw…
selectors probed

Certificate (current)

YR2
from 2026-05-29 to 2026-08-27
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.castorcollege.nl/

present
  • strict-transport-security
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
strict-transport-security
max-age=63072000; includeSubDomains

Links to (10)

Linked from (2)

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