indexo.dev

joostgrootens.nl

.nl crawl

First seen 2026-05-26 · Last seen 2026-05-30 · ok HTTP/1.1 200 2666 ms crawled 2026-05-30

NL · 185.37.70.55 · AS48635 Your Hosting B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Studio Joost Grootens

Technology

Server
nginx
jQuery
1.11.3 known XSS (<3.5)

Registration

Registrar
Realtime Register
Created
2009-10-21
Updated
2025-12-22
Name servers
  • ns-c.dns.yourhosting.nu
  • ns-n.dns.yourhosting.eu
  • ns-m.dns.yourhosting.nl

DNS records live

NS
  • ns-c.dns.yourhosting.nu
  • ns-m.dns.yourhosting.nl
  • ns-n.dns.yourhosting.eu
MX
  • 10 primary.yourfilter.nl
  • 20 fallback.yourfilter.nl

Email authentication weak

SPF
v=spf1 a mx include:_spf.yourfilter.nl include:spf-considered-harmful.xs4all.nl -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCsdnGmVLoeCPSsrBBLBvbN3HoaJvzCZH+8JNIS9KEwRHUqYjAXy7arMt/ybmI8KFIq8jBjx0XmucltXbKvo/jfYXBIx…
selectors probed

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)