indexo.dev

jazzhelden.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 394 ms crawled 2026-06-01

NL · 37.34.50.216 · AS20857 Signet B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Jazzhelden — Nederlands Jazz Archief
Description
Het verhaal van de Nederlandse Jazz.

Technology

Server
Server
Stack
Java
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (2)

  • use.typekit.net×1
  • www.googletagmanager.com×1

DNS records live

NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
MX
  • 10 jazzhelden.nl
Verified for
  • Google

Email authentication weak

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

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)