parnassys.nl

.nl crawl

First seen 2026-05-31 · Last seen 2026-06-03 · ok HTTP/1.1 200 289 ms crawled 2026-06-01

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: ParnasSys
Description: ParnasSys is het leerlingadministratie- en -volgsysteem (leerlingontwikkelsysteem) voor basisscholen in Nederland.
Language: nl
Canonical: https://www.parnassys.nl

Open Graph

url: https://www.parnassys.nl
title: ParnasSys
description: ParnasSys is het leerlingadministratie- en -volgsysteem (leerlingontwikkelsysteem) voor basisscholen in Nederland.

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (3)

img.diffuse.nl×21
cdn.diffuse.nl×4
www.googletagmanager.com×1

Social

DNS records live

NS

ns0.transip.net
ns1.transip.nl
ns2.transip.eu

MX

10 protector.spam.exchange

Verified for

Google
Microsoft 365

Email authentication partial

SPF

v=spf1 mx a include:_spf.topicus.nl include:spf.mailjet.com ip4:84.241.138.222 ip4:80.89.233.40 ip4:195.35.227.206 ip4:87.195.104.128 ip4:83.247.4.168 include:mail.zendesk.com ip4:84.241.176.0/24 include:servers.mcsv.net include:8156976.spf05.hubspotemail.net include:_spf.eu.sparkpostmail.com -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

R13

from 2026-05-13 to 2026-08-11

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.parnassys.nl/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: deny
x-content-type-options: nosniff
strict-transport-security: max-age=63072000