lukason.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 466 ms crawled 2026-06-01

CZ · 91.239.201.133 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Tvorba internetových stránek a mobilních aplikací | Lukason.cz
Language: cs
Canonical: https://www.lukason.cz/

Technology

Server: Apache
PHP: 8.2.31 security-only
Stack: PHP

Third-party hosts loaded (2)

cdnjs.cloudflare.com×2
www.google.com×1

Social

DNS records live

NS

ns1.thinline.cz
ns2.thinline.cz
ns3.cesky-hosting.eu

MX

10 mx1a10.thinline.cz
20 mx1a20.thinline.cz

Email authentication weak

SPF: v=spf1 a:replikant1264.thinline.cz include:spf.spolehlive-servery.cz include:spf.cesky-hosting.cz -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-28 to 2026-08-26

Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.lukason.cz/

findings

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

Links to (17)

Linked from (3)