klubduha.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1332 ms crawled 2026-05-30

CZ · 88.86.100.195 · AS39392 SH.cz s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Květen láká do přírody, vše kvete, voní a zpívá, léto se blíží - Kulturní Dům Duha

Description

Kulturní klub u hradeb Duha Prostějov

Language

Generator

Public4u

Feeds

RSS RSS

Social

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

0 klubduha-cz.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication weak

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuhpENTQmZAW6PJ1LDwIR2+fkB+2LWvOAhVdAFu48Zf6bfRMeeCaeGDub0jgmmSgz9mEzeZW7kKcGBF…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAspy93hJDR7UqKtuXsnwjf9410h/Z1mO4KAoM8pJE6yaOhrIRiTZFdVVN14XxAg8iX7Dh5TftV8mCgU…

selectors probed

Certificate (current)

R13

from 2026-03-16 to 2026-06-14

Expires in 14 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.klubduha.cz/

present

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

findings

missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubdomains