indexo.dev

hollandsewaterlinies.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 1578 ms crawled 2026-06-01

IE · 79.125.126.131 · AS16509 Amazon.com, Inc.

Reputation 92/100 weak subdomain policy

Classifying

HTML metadata

Title
UNESCO werelderfgoed | Hollandse Waterlinies
Description
UNESCO werelderfgoed Hollandse Waterlinies bestaat uit de Stelling van Amsterdam en de Nieuwe Hollandse Waterlinie. Samen vertellen zij het verhaal van de militaire verdediging van ons land met water als bondgenoot: toen, nu en in de toekomst.
Language
nl
Translations
  • de
  • en
  • nl

Open Graph

title
UNESCO werelderfgoed
site name
Hollandse Waterlinies

Technology

Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • assets.plaece.nl×22
  • www.google.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.thednscompany.com
  • ns2.thednscompany.com
  • ns3.thednscompany.com
MX
  • 0 hollandsewaterlinies-nl.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 +a +mx include:spf.protection.outlook.com include:relay.insiders.nl include:spf.mailcamp.nl -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; sp=none; rua=mailto:rua@report.rect.to; fo=1;
policy: quarantine · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA03OKGZZNhP8OUu1YenhaXqip6bvr2IOd5I2U1gGioi7JInw9m2s9CUqn0Rww6UGWRQ2wvTCGaUbJSX…
selectors probed

Certificate (current)

R13
from 2026-05-27 to 2026-08-25
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.hollandsewaterlinies.nl/nl

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
Header values
referrer-policy
strict-origin-when-cross-origin
permissions-policy
geolocation=*, autoplay=*, accelerometer=(), camera=(), microphone=(), usb=(), gyroscope=(), magnetometer=()
x-content-type-options
nosniff
content-security-policy
default-src https: 'unsafe-inline' 'unsafe-eval' data: blob:; block-all-mixed-content; connect-src * blob:; font-src https:; frame-ancestors 'self' https://preview.plaece.nl; frame-src *; img-src https: data: blob:; media-src https: data: blob:; script-src https: 'unsafe-inline' 'unsafe-eval' blob:; style-src https: 'unsafe-inline'; report-uri /nelmio/csp/report; worker-src https: blob:
strict-transport-security
max-age=315360000

Links to (3)