zelfdoeninzh.nl

.nl crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 498 ms crawled 2026-06-02

NL · 136.144.199.74 · AS20857 Signet B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Home - Zelfdoen
Description: Dit platform biedt ruimte en informatie voor vrijwilligers en organisaties in het groen in de provincie Zuid-Holland.

Open Graph

url: https://www.zelfdoeninzh.nl/
title: Zelf Doen in Zuid-Holland
site name: Zelfdoen
description: Dit platform biedt ruimte en informatie voor vrijwilligers en organisaties in het groen in de provincie Zuid-Holland.

Technology

jQuery: 2.1.1 known XSS (<3.5)
Stack: ASP.NET

Third-party hosts loaded (1)

ajax.aspnetcdn.com×3

Social

Contact

Email

info@degroenemotorzh.nl

Phone

010 272 2222

DNS records live

NS

ns1.flexwebhosting.nl
ns2.flexwebhosting.nl
ns3.flexwebhosting.com

MX

10 mail.zelfdoeninzh.nl

Verified for

Google

Email authentication strong

SPF: v=spf1 a mx a:spf.flexfilter.nl include:spf.mandrillapp.com include:sendgrid.net -all
strict (-all)
DMARC: v=DMARC1; p=quarantine; rua=mailto:dmarc@zelfdoeninzh.nl; ruf=mailto:dmarc@zelfdoeninzh.nl; sp=reject
policy: quarantine · sp=reject
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-09 to 2026-07-08

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.zelfdoeninzh.nl/

present

x-frame-options

findings

missing HSTS
missing Content Security Policy
weak frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: ALLOW