indexo.dev

cdvuz.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 3797 ms crawled 2026-05-27

DE · 52.28.24.127 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Výzkumný Ústav Železniční, a. s.
Description
Vítejte na stránkách Výzkumného Ústavu Železničního, a. s.
Language
cs-CZ
Generator
WordPress 6.9.4
Canonical
https://www.cdvuz.cz/
Translations
  • cs
  • en

Open Graph

url
https://www.cdvuz.cz/
title
Výzkumný Ústav Železniční, a. s.
locale
cs_CZ
site name
Výzkumný Ústav Železniční, a. s.
description
Vítejte na stránkách Výzkumného Ústavu Železničního, a. s.

Technology

Server
nginx
CMS
WordPress 6.9.4
jQuery
3.5.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • ys-common.s3.amazonaws.com×16
  • code.jquery.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar
REG-ACTIVE24
Created
1998-05-21
Expires
2026-10-11 132 days left
Updated
2025-07-18
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 vuzux001.cdvuz.cz
  • 20 vuzux002.cdvuz.cz
TXT
  • MS=5AFF9875C9A3A35003064A11C1C57BA8F02C9758
  • t2ct80og7em200hgks954mobe7

Email authentication partial

SPF
v=spf1 mx ip4:195.146.103.184/32 ip4:195.146.103.185/32 ip4:82.117.128.37/32 ip4:81.19.46.20/32 ip4:81.19.46.25/32 ip4:81.19.46.4/32 -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none; pct=100; ri=86400; rua=mailto:dmarc@cdvuz.cz
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-10 to 2026-08-08
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.cdvuz.cz

present
  • content-security-policy
  • permissions-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
content-security-policy
script-src 'self' data: blob: 'unsafe-inline' 'unsafe-eval' https://code.jquery.com https://cdnjs.cloudflare.com https://*.openstreetmap.org https://*.tile.openstreetmap.org https://www.google.com https://api-verify.recaptcha.net https://maps.googleapis.com https://www.youtube.com https://www.gstatic.com https://www.tzvuz.cz https://snippet.capybara.lmc.cz https://www.cdvuz.cz https://cdn.jsdelivr.net; img-src 'self' data: blob: https://*.amazonaws.com/ https://secure.gravatar.com/ https://code.jquery.com/ https://cdnjs.cloudflare.com/ https://*.openstreetmap.org https://*.tile.openstreetmap.org https://maps.google.com/ https://maps.googleapis.com/ https://www.youtube.com https://api-verify.recaptcha.net https://www.gstatic.com/ https://www.tzvuz.cz/ https://www.cdvuz.cz/ https://cdn.jsdelivr.net; object-src 'self' data: blob: https://cdnjs.cloudflare.com/ https://*.openstreetmap.org https://*.tile.openstreetmap.org https://*.google.com/ https://*.google.cz/ https://maps.google.com/ ht

Links to (4)

Linked from (3)