succesboeken.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 790 ms crawled 2026-06-01

NL · 89.31.57.99 · AS201401 NewVM B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Succesboeken.nl - De grootste website voor zelfhulpboeken en -producten
Description: Webshop Succesboeken.nl
Language: nl

Open Graph

title: De grootste website voor zelfontwikkeling
description: De grootste website voor zelfontwikkeling

Technology

Server: Microsoft-IIS
CMS: Gatsby

Analytics

Google Tag Manager

Third-party hosts loaded (2)

t.contentsquare.net×1
www.googletagmanager.com×1

DNS records live

NS

ns1.yoursrs.com
ns2.yoursrs.com

MX

10 mail2021.mostworld.com

Verified for

Google

Email authentication strong

SPF

v=spf1 mx ip4:89.31.57.174 ip4:89.31.57.100 ip4:89.44.166.74 -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; pct=100; rua=mailto:techniek@succesboeken.nl; ruf=mailto:techniek@succesboeken.nl

policy: quarantine

DKIM

dkim: v=DKIM1; k=rsa; n=2048; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/xUk4Cdrenux9tiNEc1P6grlxhMz2GrP/twU84KL+EumsR/eC4m+vl01z657rYtgb5JYS6…

selectors probed

Certificate (current)

PerfectSSL

from 2026-03-26 to 2026-10-11

Expires in 130 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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