indexo.dev

ot301.nl

.nl crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 992 ms crawled 2026-05-20

NL · 185.214.148.14 · AS21221 Infopact Netwerkdiensten B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
OT301

Technology

Server
nginx
jQuery
3.4.1 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (4)

  • cdn-images.mailchimp.com×1
  • s3.amazonaws.com×1
  • use.typekit.net×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
Registrar.eu
Created
2007-10-01
Updated
2026-04-23
Name servers
  • lisa.ns.cloudflare.com
  • ken.ns.cloudflare.com

DNS records live

NS
  • ken.ns.cloudflare.com
  • lisa.ns.cloudflare.com
MX
  • 10 antispamcluster.protagonist.nl

Email authentication weak

SPF
v=spf1 mx a include:_spf.e-boekhouden.nl ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-05-19 to 2026-12-04
Expires in 197 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ot301.nl/

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

Links to (6)

Linked from (1)