jidelna.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-30 · ok HTTP/1.1 200 2983 ms crawled 2026-05-27

CZ · 178.17.1.39 · AS50825 UVT Internet s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Jídelní lístky škol a školek s možností odhlášky a výběru
Description: Jídelní lístky škol a školek s možností odhlášky a výběru.
Language: cs

Open Graph

url: https://www.jidelna.cz/

Technology

Server: nginx
jQuery: 1.10.2 known XSS (<3.5)
Stack: PHP

Analytics

Google Tag Manager

Ads

Google AdSense

Third-party hosts loaded (6)

pagead2.googlesyndication.com×4
maxcdn.bootstrapcdn.com×3
cdn.jsdelivr.net×1
cdnjs.cloudflare.com×1
code.jquery.com×1
www.googletagmanager.com×1

Registration

Registrar

REG-ZONER

Created

2002-04-10

Expires

2027-04-08 311 days left

Updated

2018-11-13

Name servers

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

DNS records live

NS

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

MX

10 mail.jidelna.cz

Email authentication weak

SPF

v=spf1 a mx ip4:178.17.1.39 ip4:178.17.1.40 -all

strict (-all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDq8bWU+2rvc/NVAbU0ER84b9ZdPozpV3GS+Ey9H47qEaucuIsqZYm055mVc4UNPsxmf7dfZfuW2XWwKkIyRR…

selectors probed

Certificate (current)

from 2026-05-13 to 2026-08-11

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.jidelna.cz/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

CSP allows unsafe inline scripts/styles
weak frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN, SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' https: data: blob: 'unsafe-inline' 'unsafe-eval'
strict-transport-security: max-age=63072000; includeSubDomains; preload