huygenslyceum.nl

.nl crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 550 ms crawled 2026-06-04

NL · 45.82.189.237 · AS31477 Duocast B.V.

Reputation 100/100

Classifying

HTML metadata

Title
Homepage | Huygens Lyceum
Language
nl
Generator
SEOmatic
Canonical
https://www.huygenslyceum.nl/

Open Graph

url
https://www.huygenslyceum.nl/
title
Homepage
locale
nl
site name
Huygens Lyceum

Technology

Server
LiteSpeed
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • d389waaydahv8v.cloudfront.net×16
  • use.typekit.net×2
  • www.googletagmanager.com×1
  • www.youtube-nocookie.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.openprovider.nl
  • ns1.svou.nl
  • ns2.openprovider.be
  • ns2.svou.nl
  • ns3.openprovider.eu
MX
  • 0 huygenslyceum-nl.m-v1.mx.microsoft
TXT
  • v=easydus; cg=250682b6-e401-4f2d-8112-e14dd755afc8
Verified for
  • Adobe
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a:smtp.schoolwerkplek.nl include:spf.mailjet.com include:sscscholen.nl include:spf.hostingxs.nl include:spf.flowmailer.net ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@sscscholen.uriports.com; ruf=mailto:dmarc@sscscholen.uriports.com; fo=1:d:s
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJyWHq9AEtlFMpfrFBMsfWwl6PXcqF2jiBM0q4FTT2Z0UuJjcEN9p2IWOpD9IWV0Y5OmQgQDN89ViGk13vR2…
selectors probed

Certificate (current)

R13
from 2026-05-08 to 2026-08-06
Expires in 62 days

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.huygenslyceum.nl/

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

Links to (6)

Linked from (1)