indexo.dev

deonderwijsspecialisten.nl

.nl crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 1742 ms crawled 2026-06-04

NL · 213.136.4.209 · AS12859 BIT BV

Reputation 100/100

Classifying

HTML metadata

Title
De Onderwijsspecialisten | speciaal onderwijs
Description
Wij bieden speciaal onderwijs aan leerlingen in Arnhem, Overbetuwe, Zuidwest-Veluwe, Liemers, Achterhoek en Stedendriehoek.
Language
nl
Canonical
https://www.deonderwijsspecialisten.nl/

Open Graph

url
https://www.deonderwijsspecialisten.nl/
title
De Onderwijsspecialisten | speciaal onderwijs
description
Wij bieden speciaal onderwijs aan leerlingen in Arnhem, Overbetuwe, Zuidwest-Veluwe, Liemers, Achterhoek en Stedendriehoek.

Technology

jQuery
1.7.2 known XSS (<3.5)
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (6)

  • ajax.aspnetcdn.com×3
  • ajax.googleapis.com×1
  • maps.googleapis.com×1
  • www.facebook.com×1
  • www.googletagmanager.com×1
  • www.youtube-nocookie.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.qsp.nl
  • ns2.qsp.nl
MX
  • 5 deonderwijsspecialisten-nl.mail.protection.outlook.com
TXT
  • AKOhmt9CJes1euiRuUxkmIwquSoMclyTq3nQvjWxbTPpVcPwJo3ziBHpA7MZQ1UNbQ7gcQfT5CK/mwPfJIbf2A==
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.topdesk.net -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:ict@deonderwijsspecialisten.nl; ruf=mailto:ict@deonderwijsspecialisten.nl; fo=1
policy: reject (enforced) · sp=reject
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5yBnxXqeY7uNybGaM73muBxtN0XSIb/xpw/hLCaKeKDU0eNW9mwSbomaA7MHQiF3l3iJB1FLXZhOZH…
selectors probed

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.deonderwijsspecialisten.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (5)

Linked from (1)