instondoboeken.nl

.nl crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 560 ms crawled 2026-06-04

NL · 85.158.202.101 · AS25151 Cyso Group B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Home
Canonical: https://www.instondoboeken.nl/

Open Graph

url: https://www.instondoboeken.nl/
title: Home
site name: Instondo B.V.

Technology

Server: Apache
PHP: 8.1.34 end of life
jQuery: 3.2.1 known XSS (<3.5)
Stack: PHP

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (8)

fonts.googleapis.com×2
cdnjs.cloudflare.com×1
code.jquery.com×1
fonts.gstatic.com×1
kit.fontawesome.com×1
maxcdn.bootstrapcdn.com×1
stackpath.bootstrapcdn.com×1
www.googletagmanager.com×1

Social

Contact

Phone

0031786455085

DNS records live

NS

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

MX

10 instondoboeken.nl

Email authentication partial

SPF: v=spf1 ip4:85.158.202.101 ~all
softfail (~all)
DMARC: v=DMARC1
no policy tag
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-11 to 2026-08-09

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.instondoboeken.nl/

present

x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN

Links to (6)

Linked from (3)