indexo.dev

gamecluster.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 323 ms crawled 2026-05-30

SK · 37.9.175.189 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Game Cluster
Description
For a better future of the game industry. We bring together gamedev companies, educational institutions and the public sector.
Language
cs

Open Graph

url
https://www.gamecluster.cz/
title
Game Cluster
description
For a better future of the game industry. We bring together gamedev companies, educational institutions and the public sector.

Technology

Server
openresty
jQuery
3.6.0
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×2
  • code.jquery.com×1
  • cookiehub.net×1
  • kit.fontawesome.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

DNS records live

NS
  • ns1.websupport.sk
  • ns2.websupport.sk
  • ns3.websupport.sk
MX
  • 10 mailin1.gamecluster.cz
  • 100 mailin2.gamecluster.cz
TXT
  • spf2.0/pra a mx include:_sid.m1.websupport.sk ?all

Email authentication weak

SPF
v=spf1 a mx include:_spf.m1.websupport.sk ?all
neutral (?all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyLqDUl10WdkUqOakU8psLo4o4buTR1/dMDJmS4LAxnI6lLG1hEC7mtrcl+TZDx7gaCdDDLTfhl1xe8…
selectors probed

Certificate (current)

R13
from 2026-04-18 to 2026-07-17
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (25)

Linked from (1)