indexo.dev

o2universum.cz

.cz crawl

First seen 2026-05-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 19167 ms crawled 2026-05-16

CZ · 90.176.150.75 · AS5610 O2 Czech Republic, a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
O2 universum Congress Center Prague
Description
Unique and multifunctional venue in Prague for the most memorable experiences. A program full of culture and sports, with the option to of renting it for your own event.
Language
en-GB
Generator
WordPress 6.3.5
Canonical
https://www.o2universum.cz/en/
Translations
  • cs
  • en

Open Graph

url
https://www.o2universum.cz/en/
title
O2 universum Congress Center Prague
locale
en_US
site name
O2 universum
description
Unique and multifunctional venue in Prague for the most memorable experiences. A program full of culture and sports, with the option to of renting it for your own event.

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager
Ads
  • Google Ads (DoubleClick)

Third-party hosts loaded (4)

  • www.o2arena.cz×5
  • api.citymind.tech×1
  • googleads.g.doubleclick.net×1
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
Českomoravská 2345/17a, 190 00, Praha 9, CZ

Registration

Registrar
REG-WEBGLOBE
Created
2017-12-07
Expires
2026-12-06 199 days left
Updated
2023-02-20
Name servers
  • ns1.ignum.com
  • ns2.ignum.cz

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 0 o2universum-cz.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:spf.mailkit.example.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-11 to 2026-07-10
Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.o2universum.cz/en/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
Header values
referrer-policy
strict-origin-when-cross-origin
permissions-policy
fullscreen=*
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' https://www.o2arena.cz https://stage.o2arena.cz, default-src 'self' http: https: filesystem: https://api.ipify.org https://*.googlesyndication.com https://*.o2universum.cz https://*.o2arena.cz https://*.matterport.com https://matterport.com https://*.o2arena.cz https://*.oarena.local https://*.o2universum.cz https://*.twimg.com https://*.twitter.com https://*.lightwidget.com https://lightwidget.com https://*.google.com https://*.googletagmanager.com https://*.google-analytics.com https://*.facebook.net https://*.facebook.com https://*.googleadservices.com https://*.gstatic.com https://*.google.cz https://*.doubleclick.net https://*.youtube.com https://*.ticketportal.cz https://*.instagram.com https://*.twitter.com https://*.gstatic.com https://*.cdninstagram.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https: data: filesystem: https://*.matterport.com https://matterport.com https://*.o2arena.cz https://*.oarena.local https://*.o2universum.cz https://*.twi
strict-transport-security
max-age=5184000; includeSubDomains

Links to (16)

Linked from (2)