indexo.dev

valkenklasse.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 1146 ms crawled 2026-06-01

NL · 213.207.98.69 · AS9150 ML Consultancy

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home - Valkenklasse Organisatie

Open Graph

url
https://www.valkenklasse.nl/home
title
Home - Valkenklasse Organisatie

Technology

jQuery
1.11.3 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×1
  • www.weeronline.nl×1

Social

DNS records live

NS
  • ns061.auroradns.eu
  • ns062.auroradns.nl
  • ns063.auroradns.info
MX
  • 10 mx.spamexperts.com
  • 20 fallbackmx.spamexperts.eu
  • 30 lastmx.spamexperts.net

Email authentication weak

SPF
v=spf1 include:spf.e-captain.nl ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-02 to 2026-07-31
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.valkenklasse.nl/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (17)

Linked from (2)