indexo.dev

zuiderzee-college.nl

.nl ok HTTP/1.1 200 5195 ms

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

FR · 83.172.188.15 · AS25459 Eurofiber Cloud Infra B.V.

Reputation 95/100 weak security headers

sector education subsector school type homepage

HTML metadata

Title
Zuiderzee College - School voor VMBO in Zaandam - Zaanstad
Description
School voor VMBO in Zaandam - Zaanstad
Language
nl-NL
Generator
AACapacity v.1.1
Canonical
https://www.zuiderzee-college.nl/
Feeds
last post 346 days ago

Open Graph

url
https://www.zuiderzee-college.nl/
title
Zuiderzee College - School voor VMBO in Zaandam - Zaanstad
locale
nl_NL
site name
Zuiderzee College
description
School voor VMBO in Zaandam - Zaanstad

Contact

Technology

Server
nginx
CMS
WordPress
PHP
7.4.33 end of life
jQuery
3.7.1
Analytics
  • Matomo
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×5
  • fonts.gstatic.com×3
  • cdn-cookieyes.com×1
  • cdn.matomo.cloud×1

Social

DNS records live

NS
  • ns1.as41887.nl
  • ns2.as41887.eu
  • ns3.as41887.io
  • ns4.as41887.it
MX
  • 10 zuiderzeecollege-nl02c.mail.protection.outlook.com
TXT
  • V6ZmpV/4Tp9uv2jkBTNAZGMLjYp3o88ihpWB3hmNiInEHf9zsTGRszrFdW7Yh7UH+FX80QoZ5N8AJRNbkEZ36Q==
Verified for
  • Adobe
  • Apple
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:_spf.zivver.com include:spf.protection.outlook.com include:bounced.nl ip4:92.70.53.105 ip4:83.172.188.15 include:spf.eprov.nl include:_spf.wiscollect.nl ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@zuiderzee-college.nl; ruf=mailto:dmarc@zuiderzee-college.nl; sp=reject; ri=84600; fo=1
policy: quarantine · sp=reject
DKIM
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7gjEgjz7T3zcCXxbgqcOM7X5SYT2EluZAGQt1Lf/bHan9bmMIlKC6qiCOl+zFuzKnD/5LyoqFZrrseFJOTt…
  • k1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBS96F0nzm6hFo8mRnB31d6B4hpODHZEioRG27Cy5W0PD8tw0JtltYdZ1Q1w+n6TcLZvtITaAnM1k70s9t/o…
selectors probed

Certificate (current)

YR1
from 2026-06-10 to 2026-09-08
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.zuiderzee-college.nl/

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

Links to (7)

Linked from (1)

Use this data via API

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

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

Read the docs & get a free key →

Add a badge to your site

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

indexo.dev — zuiderzee-college.nl

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