indexo.dev

arenacallup.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 463 ms crawled 2026-06-02

CZ · 81.2.197.144 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ARENACALLUP.CZ - příležitosti pro každého
Description
Exklusivně zde najdete brigády a nabídky práce v O2 areně a O2 Universu v Praze.

Technology

Server
Apache
CMS
Joomla
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×1
  • kit.fontawesome.com×1
  • www.googletagmanager.com×1

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mx10.websupport.cz
  • 20 mx20.websupport.cz

Email authentication weak

SPF
v=spf1 a mx include:spf.active24.com include:_spf.websupport.cz ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxXc3qGznzYUlEMS1ySLE80mB2SGr6sqY3hBAoFTfu+OV6eqeFEdQc1ZRjouO3wPHJBRUa4diC6Fwca…
selectors probed

Certificate (current)

R12
from 2026-04-19 to 2026-07-18
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)