indexo.dev

opensourcewerken.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 256 ms crawled 2026-05-31

NL · 147.181.6.36 · AS202553 Dienst Uitvoering Onderwijs

Reputation 100/100

Classifying

HTML metadata

Title
Opensourcewerken
Description
Opensourcewerken is dé community voor Nederlandse opensource projecten. Samen maken we de digitale wereld veiliger, efficiënter en transparanter.
Language
nl

Open Graph

title
Opensourcewerken
description
Opensourcewerken is dé community voor Nederlandse opensource projecten. Samen maken we de digitale wereld veiliger, efficiënter en transparanter.

Technology

CMS
Gatsby

DNS records live

NS
  • ns01.hostnet.nl
  • ns02.hostnet.nl
MX
  • 0
Verified for
  • Google

Email authentication strong

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://opensourcewerken.nl/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests; frame-ancestors 'self'; img-src 'self' data: https://*.pleio.nl https://statistiek.rijksoverheid.nl https://i.ytimg.com https://i.vimeocdn.com https://*.bbvms.com https://account.pleio.nl https://www.toegankelijkheidsverklaring.nl/; font-src 'self'; frame-src 'self' https://*.pleio.nl https://www.youtube-nocookie.com https://player.vimeo.com https://api.eu.kaltura.com https://feed.mikle.com https://*.bbvms.com https://collabora.pleio.nl https://www.toegankelijkheidsverklaring.nl/; script-src 'strict-dynamic' 'nonce-8nPiG7QfCKcQ22fT2T+y8g=='; base-uri 'none'; form-action 'self'; style-src 'self' 'unsafe-inline' https://formulieren.pleio.nl; default-src 'self'; connect-src 'self' https://*.pleio.nl https://statistiek.rijksoverheid.nl https://vimeo.com https://*.sentry.io https://collabora.pleio.nl; object-src 'none'
strict-transport-security
max-age=31536000; includeSubDomains

Linked from (1)