checksonar.nl

.nl crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 1285 ms crawled 2026-05-31

IE · 54.220.6.23 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Sonar
Description: Sonar - Het artiestenplatform van Oost-Nederland.
Language: nl

Technology

JS framework: Angular 20.3.1

Analytics

Google Tag Manager

Third-party hosts loaded (5)

ik.imagekit.io×70
cdnjs.cloudflare.com×1
kit.fontawesome.com×1
www.google.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns-1086.awsdns-07.org
ns-1627.awsdns-11.co.uk
ns-27.awsdns-03.com
ns-561.awsdns-06.net

MX

10 mx.mailprotect.be
50 mx.backup.mailprotect.be

Email authentication weak

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

Certificate (current)

Amazon RSA 2048 M01

from 2025-11-24 to 2026-12-24

Expires in 206 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://checksonar.nl/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (8)

Linked from (1)

poppuntoverijssel.nl×1