leerlingen.com

.com crawl

First seen 2026-05-16 · Last seen 2026-06-01 · ok HTTP/1.1 200 2021 ms crawled 2026-05-20

NL · 31.134.200.205 · AS51088 A2b Ip B.v.

Reputation 92/100 no dmarc policy

sector education type homepage

HTML metadata

Title: Leerlingen.com - Huiswerk, Liefde, Relaties en Fun!
Description: Leerlingen.com - Alle kennis, gemak en plezier op 1 locatie. Voor en door leerlingen!
Language: nl

Technology

Server: nginx
jQuery: 1.8.3 known XSS (<3.5)

Analytics

Google Tag Manager

Ads

Google AdSense

Fonts

Google Fonts

Third-party hosts loaded (3)

fonts.googleapis.com×3
pagead2.googlesyndication.com×2
www.googletagmanager.com×1

Registration

Registrar

Key-Systems GmbH

Created

2000-04-06

Expires

2027-04-06 308 days left

Updated

2026-04-07

Name servers

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

DNS records live

NS

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com

MX

10 mail.scholieren.com

Verified for

Google

Email authentication weak

SPF: v=spf1 include:_spf.exactonline.nl ip4:31.134.200.192/28 -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-10 to 2026-06-08

Expires in 7 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://leerlingen.com/

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; includeSubDomains