rijnrijkers.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 229 ms crawled 2026-06-01

US · 104.21.81.106 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: rijnrijkers.nl
Language: pl

Technology

CDN: Cloudflare
jQuery: 1.7.1 known XSS (<3.5)

Third-party hosts loaded (1)

ajax.googleapis.com×1

DNS records live

NS

clark.ns.cloudflare.com
emely.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1

from 2026-04-28 to 2026-07-27

Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://rijnrijkers.nl/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff

Links to (7)

Linked from (4)