indexo.dev

obsdekroosduiker.nl

.nl crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 1138 ms crawled 2026-06-03

US · 172.67.149.103 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
obs De Kroosduiker | Openbaar onderwijs Zaanstad
Language
nl-NL
Generator
ZaanPrimair v.1.1
Canonical
https://www.obsdekroosduiker.nl/
Feeds

Open Graph

url
https://www.obsdekroosduiker.nl/
title
obs De Kroosduiker
locale
nl_NL
site name
obs De Kroosduiker
description
Openbaar onderwijs Zaanstad

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed
Third-party hosts loaded (14)
  • c0.wp.com×10
  • i0.wp.com×8
  • www.youtube.com×4
  • stats.wp.com×2
  • 0.gravatar.com×1
  • 1.gravatar.com×1
  • 2.gravatar.com×1
  • fonts.gstatic.com×1
  • s0.wp.com×1
  • v0.wordpress.com×1
  • widgets.wp.com×1
  • wp.me×1
  • www.googletagmanager.com×1
  • www.youtube-nocookie.com×1

Social

Contact

Phone

DNS records live

NS
  • norman.ns.cloudflare.com
  • reza.ns.cloudflare.com
MX
  • 0 obsdekroosduiker-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a ip4:37.97.207.197 ip6:2a01:7c8:aac3:194:5054:ff:fed7:41b2 include:spf.protection.outlook.com include:spf.ziber.eu ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; adkim=s; rua=mailto:dmarc@232xxsh9.uriports.com; ruf=mailto:dmarc@232xxsh9.uriports.com; fo=1:d:s
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ZPZrIKYDUV/3ZewoAlesIQAPG7vpLCNDu3E4SoyQ9yDOqtW9cRTdRtXvlvUaWwRFC5Z2WZ6U7c9aB…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzwwdNh74S5hLfc2CupiLo//f+AQBHhSuMjqzdHADKKInpnOBBNwq0a83uxtxaYIAKF7PLbpRZudWzT…
  • mail: v=DKIM1; h=sha256; k=rsa; p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArZ0c/ctLyi8oWyjGb3aVTOAhPET8uFhjrOawD4eYDoF1MmpkEdxUZD+BiIror94CBjRR…
selectors probed

Certificate (current)

WE1
from 2026-04-08 to 2026-07-07
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (1)