indexo.dev

ducg.nl

.nl crawl

First seen 2026-05-25 · Last seen 2026-05-29 · ok HTTP/1.1 200 16579 ms crawled 2026-05-29

NL · 37.46.140.20 · AS25151 Cyso Group B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
DUCG (Dutch Upper GI Cancer Group).
Description
De DUCG is de landelijke multidisciplinaire tumorwerkgroep voor patiënten met slokdarm- en maagkanker.
Language
nl-NL
Generator
WordPress 6.5.8
Canonical
https://ducg.nl/
Feeds

Open Graph

url
https://ducg.nl/
title
DUCG (Dutch Upper GI Cancer Group).
description
De DUCG is de landelijke multidisciplinaire tumorwerkgroep voor patiënten met slokdarm- en maagkanker.

Technology

Server
nginx
CMS
WordPress 6.5.8
PHP
8.1.34 end of life
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • www.google.com×2
  • www.googletagmanager.com×1

Registration

Registrar
Realtime Register
Created
2014-05-05
Updated
2023-11-08
Name servers
  • ns3.sqr.cloud
  • ns1.sqr.nl
  • ns2.sqr.domains

DNS records live

NS
  • ns1.sqr.nl
  • ns2.sqr.domains
  • ns3.sqr.cloud
MX
  • 10 mx1.antispam-login.net
  • 20 mx2.antispam-login.net

Email authentication strong

SPF
v=spf1 include:spf.hosting.nl include:spf.sqr.nl ip4:185.56.145.15 -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsHVUmILEnXS2H1n2Kd9X1Fm0tA0oIFf1DC6kpUBrqGD/kh2H2dYwJRDP+koyfot1YDsdwSohuv4U6I…
selectors probed

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ducg.nl/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (2)

Linked from (2)