indexo.dev

duurzaamdeventer.nl

.nl crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 510 ms crawled 2026-05-31

NL · 185.71.61.48 · AS60781 LeaseWeb Netherlands B.V.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home - Duurzaam Deventer
Language
nl
Generator
TYPO3 CMS
Canonical
https://www.duurzaamdeventer.nl/

Open Graph

title
Duurzaam Deventer

Technology

Server
nginx

Third-party hosts loaded (1)

  • cdn-eu.readspeaker.com×1

Social

DNS records live

NS
  • ns1.ijsselserver.nl
  • ns2.ijsselserver.nl
  • ns3.ijsselserver.nl
MX
  • 10 mail.duurzaamdeventer.nl
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx include:_spf.cobytes.email -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-09 to 2026-07-08
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP uses wildcard sources
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(), ambient-light-sensor=(), battery=(), camera=(), cross-origin-isolated=(), display-capture=(), document-domain=(), encrypted-media=(), execution-while-not-rendered=(), execution-while-out-of-viewport=(), fullscreen=*, geolocation=(), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), navigation-override=*, payment=(), picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=*, usb=(), web-share=(), xr-spatial-tracking=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' https://youtu.be https://youtube.com https://www.youtube.com https://player.vimeo.com/api/player.js https://openstad-cdn.nl https://unpkg.com/react@18.3.1/umd/react.production.min.js https://unpkg.com/react-dom@18.3.1/umd/react-dom.production.min.js https://cdn-eu.readspeaker.com https://vtdnntts-eu.readspeaker.com https://siteimproveanalytics.com https://api.openstad.deventer.nl 'report-sample'; img-src 'self' data: https://www.toegankelijkheidsverklaring.nl https://youtube.com https://www.youtube.com https://youtu.be https://i.ytimg.com https://i.vimeocdn.com https://img.openstad.dev https://*.tile.openstreetmap.org https://service.pdok.nl https://cdn-eu.readspeaker.com https://*.global.siteimproveanalytics.io https://siteimproveanalytics.com https://eu2.siteimprove.com https://szsurvey.siteimprove.com https://ssl.siteimprove.com https://img.openstad.deventer.nl; base-uri 'self'; frame-src 'self' https://*.maps.arcgis.com https://youtu.be https:/
strict-transport-security
max-age=31536000

Links to (7)

Linked from (1)