knvbexpertise.nl

.nl crawl

First seen 2026-05-21 · Last seen 2026-05-30 · ok HTTP/1.1 200 1243 ms crawled 2026-05-27

NL · 31.134.203.159 · AS51088 A2b Ip B.v.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: KNVB Expertise
Description: Centrum voor onderzoek & kennismanagement betaald voetbal. KNVB Expertise is het Kenniscentrum van het Nederlands betaald voetbal.

Technology

Server: webserver
CMS: Gatsby

Third-party hosts loaded (1)

sassets.knvb.nl×25

Social

DNS records live

NS

ns1.oxilion.nl
ns2.oxilion.nl
ns3.oxilion.net

MX

10 mail.knvbexpertise.nl
500 mailbackup.plant.nl

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-05-22 to 2026-08-20

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.knvbexpertise.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: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; preload;

Links to (5)

Linked from (4)