zkousky-nanecisto.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 354 ms crawled 2026-06-01

CZ · 89.185.235.86 · AS24971 MasterDC s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Zkoušky nanečisto
Description: Zkoušeky nanečisto
Language: cs

Open Graph

url: https://www.zkousky-nanecisto.cz/
title: Zkoušky nanečisto
site name: Zkoušky nanečisto
description: Připravujeme žáky základních škol ke zkouškám na gymnázia a střední školy a studenty středních škol k maturitě a přijímacím zkouškám na VŠ.

Technology

Server: nginx
jQuery: 3.2.1 known XSS (<3.5)
Stack: PHP

Third-party hosts loaded (1)

www.google.com×1

Social

Contact

Phone

702 147 931

Registration

Registrar

REG-TELE3

Created

2000-09-22

Expires

2030-09-21 1571 days left

Updated

2021-03-19

Name servers

clark.ns.cloudflare.com
etta.ns.cloudflare.com

DNS records live

NS

clark.ns.cloudflare.com
etta.ns.cloudflare.com

MX

10 kikimora.laddobar.cz

Email authentication weak

SPF

v=spf1 mx a ~all

softfail (~all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAowgjksU+xMv+zsjGTNAsYaRQbpofqKAyX/SafMII5eAKHdoV3UGOLmvyOS//CcvICwLKY09heB5acL…

selectors probed

Certificate (current)

R13

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

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.zkousky-nanecisto.cz/

present

content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

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

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN, SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' http: https: data: blob: 'unsafe-inline'