indexo.dev

zuiderbos.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 521 ms crawled 2026-06-03

NL · 77.242.124.120 · AS35332 DataWeb B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Zuiderbos | Groei mee met Zuiderbos
Description
Zuiderbos is een school voor speciaal onderwijs op basis- en middelbareschoolniveau. Wij zijn er voor onbegrepen onderwijsvragen die te maken hebben met psychiatrische problematiek of een vermoeden daarvan.
Language
nl

Technology

Server
Microsoft-IIS
jQuery
3.1.1 known XSS (<3.5)
Stack
Laravel
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • ajax.googleapis.com×2
  • www.googletagmanager.com×1

Contact

Email
Phone

DNS records live

NS
  • ns1.yodahosting.nl
  • ns2.yodacloud.net
MX
  • 0 zuiderbos-nl.mail.protection.outlook.com
TXT
  • bastion365-domain-validation=5d26e511e8f5f
  • v=NTA7516-1;startdate=2019-06;enddate=2029-09;provider=bastionic;ntamx=10 mx.bastion365.net
  • remarkable-domain-verification=51a2944f-0144-47d2-bb71-b69678435336
Verified for
  • Apple
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.afas.online include:yodacloud.net include:_spf.mail.services.bastion365.net a:redirects.intention.nl ip4:52.17.45.98 ip4:52.16.190.81 ip4:54.229.2.165 ip4:52.30.130.201 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@zuiderbos.nl; ruf=mailto:dmarc@zuiderbos.nl; fo=1;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKwp/Nld5KU7fTwUQfXHFlELjN1U3I2ZzAQPApbEL9yKkS9aBLNuGSv+qi+5ukTF4L1dNyViBhjhqhAVO3zL…
selectors probed

Certificate (current)

R13
from 2026-04-28 to 2026-07-27
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://zuiderbos.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (1)