gmk.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 524 ms crawled 2026-05-30

BE · 188.208.37.2 · AS34762 Combell NV

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Groep Maatschappelijke Kinderopvang (GMK)
Language: nl-NL
Generator: WP Rocket 3.21.3
Canonical: https://gmk.nl/

Open Graph

url: https://gmk.nl/
title: Groep Maatschappelijke Kinderopvang (GMK)
locale: nl_NL
site name: GMK

Technology

Server: nginx
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Cookie consent

Cookiebot

Fonts

Google Fonts

Third-party hosts loaded (6)

fd.cleantalk.org×2
fonts.googleapis.com×2
fonts.gstatic.com×2
www.googletagmanager.com×2
consent.cookiebot.com×1
consentcdn.cookiebot.com×1

Social

Contact

Email

info@gmk.nl

Phone

020 – 515 88 50

Address

Sam van Houtenstraat 74, 1067 JP, Amsterdam

DNS records live

NS

ns0.transip.net
ns1.transip.nl
ns2.transip.eu

MX

0 gmk-nl.mail.protection.outlook.com

TXT

v=NTA7516-1;startdate=2026-01;enddate=2029-01;provider=zorgmail;ntamx=10 relay.zorgmail.nl

Verified for

Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com include:_spf.zorgmail.nl include:_spf.onlinespamfilter.nl include:_spf.paytsoftware.com include:spf.afas.online include:_spf.facilitor.nl include:spf-de.emailsignatures365.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine;

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3NuFQaHHam2D7Z/ziltGDgcjDpda9jUUm8ZbqPmUmVtWhtAjljBR3f8M//jK+bjha4nKvtj9EaNgs/…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApkITKLxSlM3kq8Ym4nbiXkVxzdkCQlvPLZPID1SKRAxzv4iY/dvOozb0v0C6rTrzSQHYAbCR2J68cW…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

R12

from 2026-05-06 to 2026-08-04

Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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