clweb.cz

.cz crawl dns

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 750 ms crawled 2026-06-01

CZ · 185.59.3.33 · AS60086 Valvera s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title: Václav Hanke - Internetové aplikace a další on-line řešení.
Description: - Webové stránky a aplikace, informační systémy a další on-line řešení.
Language: cs
Canonical: htps://www.clweb.cz/

Open Graph

url: http://www.clweb.cz/
title: Václav Hanke
description: Webové stránky a aplikace, informační systémy a další on-line řešení.

Technology

Server: Apache
jQuery: 3.7.1
Stack: PHP

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (3)

ajax.googleapis.com×1
fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

+420 724 397 435

Registration

Registrar

REG-WEBGLOBE

Created

2007-06-07

Expires

2027-06-06 368 days left

Updated

2023-01-11

Name servers

ns1.ignum.com
ns2.ignum.cz

DNS records live

NS

ns1.ignum.com
ns2.ignum.cz

MX

10 mail.clweb.cz

Verified for

Google

Email authentication strong

SPF: v=spf1 a mx -all
strict (-all)
DMARC: v=DMARC1; p=quarantine; ruf=mailto:Vaclav.Hanke@clweb.cz; rua=mailto:Vaclav.Hanke@clweb.cz;
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

from 2026-04-01 to 2026-06-30

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://www.clweb.cz/

present

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

findings

CSP allows unsafe inline scripts/styles
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' https://www.googletagmanager.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com https://ajax.googleapis.com; img-src 'self' data:; font-src 'self' https://fonts.gstatic.com https://fonts.googleapis.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; connect-src 'self' https://www.google-analytics.com; frame-src 'self' https://www.googletagmanager.com;
strict-transport-security: max-age=63072000; includeSubDomains; preload