indexo.dev

dt-holding.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 771 ms crawled 2026-06-01

CZ · 185.129.138.60 · AS24806 INTERNET CZ, a.s.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
DT-holding – DT-holding představuje uskupení českých a úspěšných firem
Description
DT-holding představuje uskupení českých a úspěšných firem
Language
cs

Technology

Server
Apache
CMS
WordPress
jQuery
1.12.4 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×2
  • www.googletagmanager.com×2
  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • maxcdn.bootstrapcdn.com×1

Social

Contact

Email

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 dtholding-cz0e.mail.protection.outlook.com
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.forpsi.com include:mailgun.org include:spf-de.emailsignatures365.com ip4:85.132.189.135 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine;pct=100; rua=mailto:dmarc_agg@vali.email
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2LCSkZUxcaePwunfmiV+se7DMW+MHtelNCuG4dD7HaFH6OzWKDOleW5xHzh0gXhFEoQS6LEGpPLq3X…
selectors probed

Certificate (current)

Actalis Domain Validation Server CA G3
from 2025-11-15 to 2026-12-06
Expires in 187 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.dt-holding.cz/

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

Links to (10)

Linked from (2)