opdewadden.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-06-01 · ok HTTP/1.1 200 4420 ms crawled 2026-05-30

NL · 5.200.22.69 · AS49544 i3D.net B.V

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

2000+ vakantieverblijven op de Waddeneilanden | vakantiehuis, appartement, B&B, caravan, chalet en tent aan zee

Description

Vakantiehuis op de Waddeneilanden, Appartement aan zee, Bungalow aan zee, Caravan aan zee, Chalet aan zee| vakantie, Waddeneilanden, rust, ruimte, duinen en zee

Language

Canonical

https://opdewadden.nl

Translations

Technology

Server: Apache
PHP: 7.4.28 end of life
jQuery: 1.11.2 known XSS (<3.5)

Analytics

Google Tag Manager

Third-party hosts loaded (9)

cdn.jsdelivr.net×2
op-vakantie.nl×2
ajax.googleapis.com×1
aufdenwatten.de×1
cdnjs.cloudflare.com×1
onschiermonnikoog.com×1
onthewadden.com×1
whatabout.holiday×1
www.googletagmanager.com×1

DNS records live

NS

ns1.argewebhosting.eu
ns2.argewebhosting.com
ns3.argewebhosting.nl

MX

10 mail.vipe.nl

Verified for

Google

Email authentication strong

SPF: v=spf1 include:vipe.nl include:smtp.spf.ziggo.nl include:_spf.google.com include:spf.protection.outlook.com ip4:213.75.39.0/24 ip4:195.121.3.17/24 ~all
softfail (~all)
DMARC: v=DMARC1;p=quarantine;pct=100;adkim=r;aspf=r
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

from 2026-04-12 to 2026-07-11

Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff