indexo.dev

prelumacademy.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1858 ms crawled 2026-05-31

NL · 87.233.198.7 · AS15703 TrueFullstaq B.V.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Prelum Academy
Description
Vakmedia voor zorgprofessionals
Language
nl

Technology

Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

DNS records live

NS
  • ns1.cloud86.nl
  • ns2.cloud86.nl
  • ns3.cloud86.eu
MX
  • 10 webmail.prelumacademy.nl

Email authentication partial

SPF
v=spf1 +a +mx +ip4:45.82.191.76 a:mailoutgoing.swis.nl include:mail.zendesk.com -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none;
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-26 to 2026-06-24
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.prelumacademy.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
  • cross-origin-embedder-policy
  • cross-origin-resource-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
sameorigin
x-content-type-options
nosniff
content-security-policy
child-src 'self'; frame-src 'self' https://cdh.prelumacademy.nl https://player.vimeo.com https://www.googletagmanager.com https://prelumacademy.vragen.ai https://app.vragen.ai; script-src 'self' 'unsafe-inline' 'unsafe-eval'; script-src-elem 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://avg.swis.nl https://static.zdassets.com https://static.hotjar.com https://script.hotjar.com https://prelumacademy.vragen.ai https://app.vragen.ai; style-src 'self' 'unsafe-inline' 'unsafe-eval' https://*.typekit.net https://avg.swis.nl; style-src-attr 'self' 'unsafe-inline' 'unsafe-eval'; style-src-elem 'self' 'unsafe-inline' 'unsafe-eval' https://cdh.prelumacademy.nl https://fonts.googleapis.com https://*.typekit.net https://avg.swis.nl https://prelumacademy.vragen.ai https://app.vragen.ai; block-all-mixed-content
strict-transport-security
max-age=31536000
cross-origin-opener-policy
unsafe-none
cross-origin-embedder-policy
unsafe-none
cross-origin-resource-policy
cross-origin

Linked from (2)