indexo.dev

dejongeakademie.nl

.nl ok HTTP/1.1 200 1224 ms

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

NL · 80.95.170.94 · AS24586 Intermax Group B.V.

Reputation 100/100

sector education subsector research institute type homepage

HTML metadata

Title
Home | De Jonge Akademie
Description
Home
Language
nl
Generator
Mett, het systeem voor online samenwerken.

Open Graph

url
https://www.dejongeakademie.nl/default.aspx
title
Home - De Jonge Akademie
site name
De Jonge Akademie
description
Home

Technology

Stack
ASP.NET
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • captcha.mett.nl×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.surfnet.nl
  • ns3.surfnet.nl
Verified for
  • HARICA

Email authentication no MX

SPF
v=spf1 ip4:194.171.144.15 include:servers.mcsv.net -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@knaw.nl; ruf=mailto:dmarc@knaw.nl; rf=iodef;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

GEANT TLS RSA 1
from 2025-11-26 to 2026-11-26
Expires in 159 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://dejongeakademie.nl/default.aspx

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload
cross-origin-opener-policy
same-origin-allow-popups

Links to (4)

Linked from (1)

Use this data via API

Everything on this page for dejongeakademie.nl is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/dejongeakademie.nl" \
  -H "X-API-Key: idx_..."

Read the docs & get a free key →

Add a badge to your site

Own dejongeakademie.nl? Show it's tracked on indexo.dev and link visitors straight to this page.

indexo.dev — dejongeakademie.nl

<a href="https://indexo.dev/dejongeakademie.nl" target="_blank" rel="noopener">
  <img src="https://indexo.dev/dejongeakademie.nl/badge.svg" alt="indexo.dev — dejongeakademie.nl">
</a>