indexo.dev

vlinderstichting.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 389 ms crawled 2026-05-30

NL · 136.144.146.13 · AS20857 Signet B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home - Vlinderstichting
Language
nl-NL
Generator
WP Rocket 3.21.3
Canonical
https://vlinderstichting.nl/

Open Graph

url
https://vlinderstichting.nl/
title
Home - Vlinderstichting
locale
nl_NL
image:url
https://vlinderstichting.nl/app/uploads/2023/08/Logo Vlinderstichting vierkant.jpg
site name
Vlinderstichting
description
Koolwitjes in de klas Echte, levende vlinders in de klas? Dat kan met het kweekpakket van De Vlinderstichting!  Je ontvangt een pakket met meerdere eitjes, rupsen...

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.google.com×3
  • www.googletagmanager.com×1
  • www.gstatic.com×1

Social

Registration

Registrar
BIT B.V.
Created
1999-11-04
Updated
2025-11-24
Name servers
  • nsauth1.bit.nl
  • nsauth2.bit.nl
  • nsauth3.bit.org

DNS records live

NS
  • nsauth1.bit.nl
  • nsauth2.bit.nl
  • nsauth3.bit.org
MX
  • 0 vlinderstichting-nl.mail.protection.outlook.com
TXT
  • De Vlinderstichting (10429)
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:spf.eu.exclaimer.net include:mailswitch.nl include:_spf.createsend.com include:_spf.e-vision.nl include:spf.protection.outlook.com include:spf.flowmailer.net ip4:92.66.138.16 ip4:84.247.13.241 ip4:136.144.177.75 ip4:37.97.176.188 ip4:136.144.146.13 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; ruf=mailto:dmarcreports@vlinders.onmicrosoft.com; fo=1
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx/Aeh4YZjWZtq46AXz0CGzLp15f4l2Vm6brP/e+//fOM69i0A/TlEZssPMx4vKl3X0DNP6IsFgk3mr…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqkV71C1UA/TL61IywWNMe5HwMe48lJqf8aI2nWYla3rcs9+kKmiIPPyg0bFGvgNdHsAV7tMgV0ph8LFHDs…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDiKvN+WzrJQOfhRHAmVZ6O5Xle596DmWV82o2OMqNb9KeFVAMj9kleIOkfuZs0Dgx7blQnE20TnCwTR0TUhiotbY…
selectors probed

Certificate (current)

E8
from 2026-05-27 to 2026-08-25
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (6)