chatnaweb.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 232 ms crawled 2026-05-31

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: ChatnaWeb.cz — Live chat pro váš web
Description: Komunikujte s návštěvníky vašeho webu v reálném čase. Zvyšte konverze o 23 %. Vyzkoušejte 14 dní zdarma.
Language: cs
Canonical: https://chatnaweb.cz/

Open Graph

url: https://chatnaweb.cz/
title: ChatnaWeb.cz — Live chat pro váš web
locale: cs_CZ
description: Komunikujte s návštěvníky vašeho webu v reálném čase. Zvyšte konverze o 23 %. Vyzkoušejte 14 dní zdarma.

Technology

CDN: Vercel

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (3)

fonts.googleapis.com×2
fonts.gstatic.com×1
www.googletagmanager.com×1

DNS records live

NS

ns1.dns-parking.com
ns2.dns-parking.com

MX

10 mx10.websupport.cz
100 mx20.websupport.cz

TXT

spf2.0/pra a mx include:_sid.m1.websupport.sk ?all

Verified for

Google

Email authentication partial

SPF: v=spf1 a mx include:_spf.m1.websupport.sk ?all
neutral (?all)
DMARC: v=DMARC1; p=none; rua=mailto:report@chatnaweb.cz; ruf=mailto:report-fail@chatnaweb.cz; adkim=r; aspf=r; pct=100
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-03 to 2026-08-01

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://chatnaweb.cz/

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: DENY
permissions-policy: camera=(), microphone=(), geolocation=()
x-content-type-options: nosniff
content-security-policy: default-src 'self'; script-src 'self' 'unsafe-inline' https://chatnaweb.cz https://js.stripe.com https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ https://www.gstatic.com/firebasejs/ https://www.googletagmanager.com https://appleid.cdn-apple.com; worker-src 'self' blob:; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' https://chatnaweb.cz https://mssbztdtkdaakfckcoug.supabase.co https://flagcdn.com data: blob:; connect-src 'self' https://chatnaweb.cz https://mssbztdtkdaakfckcoug.supabase.co wss://mssbztdtkdaakfckcoug.supabase.co https://api.stripe.com https://*.googleapis.com https://*.google-analytics.com https://*.analytics.google.com https://appleid.apple.com; frame-src https://js.stripe.com https://www.google.com/recaptcha/ https://appleid.apple.com; object-src 'none'; frame-ancestors 'none'; base-uri 'self'; form-action 'self' https://mssbztdtkdaakfckcoug.supabase.co https://accounts.google
strict-transport-security: max-age=63072000; includeSubDomains; preload

Links to (8)

Linked from (3)