indexo.dev

het4egymnasium.nl

.nl crawl

First seen 2026-05-24 · Last seen 2026-05-31 · ok HTTP/1.1 200 4488 ms crawled 2026-05-29

DE · 88.198.95.234 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Home - Het 4e Gymnasium
Language
nl
Generator
TYPO3 CMS
Canonical
https://www.het4egymnasium.nl/home

Technology

Server
nginx
jQuery
3.6.0
Analytics
  • Plausible

Third-party hosts loaded (1)

  • plausible.io×1

Social

Registration

Registrar
RegistrarHub
Created
2005-01-27
Updated
2026-01-16
Name servers
  • ns2.cobytes.com
  • ns3.cobytes.eu
  • ns1.cobytes.io

DNS records live

NS
  • ns1.cobytes.io
  • ns2.cobytes.com
  • ns3.cobytes.eu
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Apple
  • Google

Email authentication strong

SPF
v=spf1 ip4:145.102.246.116 include:_spf.cobytes.email include:_spf.google.com include:spf.afas.online include:smtp.hroffice.eu -all
strict (-all)
DMARC
v=DMARC1; p=reject; ruf=mailto:dmarc@espritscholen.nl; fo=1; adkim=s; aspf=s; pct=100;
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArUf+DkHnaBcEUgdGE774LE0O8fZbhe/Zx0/syMrSVNM/YtnEWHa4mB9bYuhy66pmQ25ndkB5u+l42v…
selectors probed

Certificate (current)

E7
from 2026-04-30 to 2026-07-29
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.het4egymnasium.nl/home

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' https://plausible.io https://www.youtube.com; object-src 'none'; style-src 'self' 'nonce-montix_nonce'; img-src 'self'; media-src 'self'; frame-src 'self' https://www.youtube-nocookie.com https://www.openstreetmap.org; font-src 'self'; connect-src 'self' https://plausible.io
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (9)

Linked from (2)