indexo.dev

systemicbusinessschool.nl

.nl crawl

First seen 2026-05-24 · Last seen 2026-05-24 · ok HTTP/1.1 200 2924 ms crawled 2026-05-29

US · 104.21.10.29 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Systemic Business School
Description
Systemisch leiderschap biedt nieuwe mogelijkheden om te werken met en in het geheel. Behaal je doelen als leider in samenhang met je organisatie!
Language
nl-NL
Generator
WordPress 7.0
Canonical
https://systemicbusinessschool.nl/
Translations
  • en
  • nl
Feeds

Open Graph

url
https://systemicbusinessschool.nl/
title
Systemic Business School
locale
nl_NL
site name
Systemic Business School
description
Systemisch leiders werken met én in het geheel.
locale:alternate
en_US

Technology

CDN
Cloudflare
CMS
WordPress 7.0
PHP
8.3.31 security-only
jQuery
3.7.1
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • Vimeo Embed
Third-party hosts loaded (8)
  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×2
  • www.google.com×2
  • www.googletagmanager.com×2
  • code.jquery.com×1
  • fonts.gstatic.com×1
  • player.vimeo.com×1
  • static.cloudflareinsights.com×1

Social

Contact

Phone

Registration

Registrar
Internationale Domeinregistratie Nederland
Created
2021-07-09
Updated
2025-04-03
Name servers
  • darl.ns.cloudflare.com
  • ullis.ns.cloudflare.com

DNS records live

NS
  • darl.ns.cloudflare.com
  • ullis.ns.cloudflare.com
MX
  • 0 systemicbusinessschool-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.mailjet.com include:eu.mailgun.org include:_spf.google.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine;
policy: quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyycw2cuJ0ysz+YUQnlrLccdrR1PgM6w+3tQUoeuJhVib/2WfKK2WSbn0yGYFKisKppmkIVQ+UDB3vS…
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3AVf7wFJJBcSrYKVa8F2Sg2+fy6N0WW41bOvNgLaSeaHO8uQbaX9ClvV+gGHPRmDNpIDbEx/vvYOQz…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

WE1
from 2026-05-22 to 2026-08-20
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://systemicbusinessschool.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000; includeSubdomains; preload
cross-origin-opener-policy
same-origin

Links to (3)

Linked from (1)