indexo.dev

rsz.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1682 ms crawled 2026-05-31

NL · 45.82.191.230 · AS31477 Duocast B.V.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Rensportschool Zandvoort // Racecursus & Trackdays // RSZ
Description
Hét race-instituut van Nederland sinds 1955. Racecursussen, trackdays, driftcursussen en incentives op Zandvoort, Assen, Spa en meer.
Language
nl-NL
Canonical
https://www.rsz.nl/

Open Graph

url
https://www.rsz.nl/
title
Rensportschool Zandvoort // Racecursus & Trackdays // RSZ
locale
nl_NL
site name
RSZ Autosport
description
Hét race-instituut van Nederland sinds 1955. Racecursussen, trackdays, driftcursussen en incentives op Zandvoort, Assen, Spa en meer.

Technology

Server
LiteSpeed
CMS
WordPress
PHP
8.3.31 security-only
Fonts
  • Font Awesome
  • Google Fonts
Third-party hosts loaded (11)
  • cdn.datatables.net×4
  • use.fontawesome.com×3
  • cdn.rawgit.com×2
  • cdnjs.cloudflare.com×2
  • code.jquery.com×2
  • stackpath.bootstrapcdn.com×2
  • www.google.com×2
  • fonts.gstatic.com×1
  • gmpg.org×1
  • js-eu1.hs-scripts.com×1
  • unpkg.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.cloud86.nl
  • ns2.cloud86.nl
  • ns3.cloud86.eu
MX
  • 1 smtp.google.com
TXT
  • mailerlite-domain-verification=0917f158b15c6344f2842e690d66db3dce87a8c9

Email authentication partial

SPF
v=spf1 include:_spf.mlsend.com +a +mx +ip4:45.82.191.230 include:_spf.spf.afas.online include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none;
policy: none (monitoring only) · sp=none
DKIM
  • default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyZ2UkdlHPFeIBXqBZy0bdzh8funNLExQ6/MGkyYiUOlRvWTqlJN7iZhuo4kj/CXwQude/BW66AoozIZFLfWSW…
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0nPRP8brNlTxNbPeeTPjjFqkO8WZYAco4UaK5Mo7cqpdKQ/DTy0GFM3voIleLYKhXnUdYJf7Tvt8Gc…
selectors probed

Certificate (current)

R12
from 2026-04-17 to 2026-07-16
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.rsz.nl/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (5)

Linked from (1)