indexo.dev

art21.nl

.nl crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 1832 ms crawled 2026-05-16

DK · 46.30.213.140 · AS51468 One.com A/S

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Art21
Description
samen verzamelen
Language
en-GB
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • s.w.org×1

DNS records live

NS
  • ns01.one.com
  • ns02.one.com
MX
  • 0 art21-nl.mail.protection.outlook.com
TXT
  • MS=ms82919610

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-14 to 2026-07-13
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://art21.nl/

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

Linked from (1)