dh.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 861 ms crawled 2026-05-30

CZ · 185.8.165.155 · AS24971 MasterDC s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Úvodní stránka
Language: cs-cz
Generator: Joomla! - Open Source Content Management

Technology

Server: Apache
CMS: Joomla

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

Social

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

0 dh-cz.mail.protection.outlook.com

Verified for

Google

Email authentication weak

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

Certificate (current)

R12

from 2026-05-17 to 2026-08-15

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.dh.cz/

present

strict-transport-security
x-frame-options

findings

missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=63072000; includeSubDomains; preload

Links to (21)

Linked from (5)