indexo.dev

lucasvanleyden.nl

.nl crawl

First seen 2026-06-04 · Last seen 2026-06-05 · ok HTTP/1.1 200 629 ms crawled 2026-06-05

US · 104.18.211.89 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector education type homepage

HTML metadata

Title
Lucas van Leyden | Openbare basisschool
Description
De Lucas van Leyden is een binnenstadschool die letterlijk en figuurlijk midden in de maatschappij staat. De Lucas van Leyden is een openbare basisschool.
Language
nl-NL

Open Graph

url
https://lucasvanleyden.nl/
title
Lucas van Leyden | Openbare basisschool
description
De Lucas van Leyden is een binnenstadschool die letterlijk en figuurlijk midden in de maatschappij staat. De Lucas van Leyden is een openbare basisschool.

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts
Social widgets
  • Vimeo Embed

Third-party hosts loaded (5)

  • www.googletagmanager.com×2
  • cdn.jsdelivr.net×1
  • cdn.plyr.io×1
  • player.vimeo.com×1
  • use.typekit.net×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns3.firstfind.nl
  • ns4.firstfind.nl
  • ns5.firstfind.net
MX
  • 0 lucasvanleyden-nl.k-v1.mx.microsoft
TXT
Show 4 TXT records
  • nintex.5e4ea68abb22350caa6e14cb
  • wlnc6vx93C2EVePeV01jpbU1oRNMORTqemWdSVjhPZM=
  • 3xeEU3zW39MxzAcCrSXRNrTfly2zz6IH
  • DomainVerification=R1MPENSQ0KIM97ZYJM7T8HEAZSR41KHD5FC7OKHIQX6UD1SJ4NN22WZYJM5NH7AJ
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:_spf.yourfilter.nl include:spf.protection.outlook.com include:spf.bouwmeestergroep.nl include:servers.mcsv.net include:_spf.zivver.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@prooleiden.nl; ruf=mailto:dmarc@prooleiden.nl; fo=1
policy: reject (enforced)
DKIM
  • default: v=DKIM1; g=*; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt2FEy9ASr3IwdoggHMnbiqcHhsAfE5FWylzafyh8Iwgh9dRowECZLvVFpTUAF0PG9sqcO+WJU…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCljQi49CqSGY0Crdl0qBL9prNloh/BkoAiaB7cNqjfM/iiFAALskzA6lcjFf/6gb32cYhE9DjgyH/Jfh3wxp…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzyZmzh7v8BL1QX2O3Yj1KwSSUy2L6Y8WQYrS+th/dI3EseACPUasDKpOFunCjM45x1Ii4kApAh2ehE…
selectors probed

Certificate (current)

WE1
from 2026-05-21 to 2026-08-19
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://lucasvanleyden.nl/

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

Links to (26)

Linked from (20)

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