dnnt.cz

.cz crawl

First seen 2026-05-21 · Last seen 2026-05-31 · ok HTTP/1.1 200 1367 ms crawled 2026-05-27

CZ · 195.113.134.42 · AS2852 CESNET z.s.p.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

DNNT – Díla nedostupná na trhu

Language

Generator

WordPress 5.8.13

Canonical

https://dnnt.cz/

Feeds

Technology

Server: nginx
CMS: WordPress 5.8.13 legacy (latest 7.0)
PHP: 7.4.19 end of life
jQuery: 3.6.0

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

fonts.googleapis.com×2
gmpg.org×1
s.w.org×1
www.googletagmanager.com×1

Registration

Registrar

REG-ACTIVE24

Created

2019-09-12

Expires

2026-09-11 102 days left

Updated

2024-08-22

Name servers

ns1.nkp.cz
nsa.ces.net

DNS records live

NS

ns1.nkp.cz
nsa.ces.net

MX

90 fm2.nkp.cz

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

GEANT TLS RSA 1

from 2025-10-17 to 2026-10-17

Expires in 138 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

content-security-policy

findings

missing HSTS
CSP allows unsafe inline scripts/styles
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

content-security-policy: script-src 'self' 'unsafe-inline' 'unsafe-eval' ; img-src 'self' data: ; object-src 'self' data: ; frame-src 'self' data: ;