indexo.dev

o5.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 7015 ms crawled 2026-06-01

CZ · 46.28.106.154 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

sector other type homepage

HTML metadata

Title
O5 a Radeček
Description
Oficiální stránky skupiny O5 a Radeček.
Language
cs
Generator
WordPress 7.0
Canonical
https://www.o5.cz/
Feeds

Open Graph

url
https://www.o5.cz/
title
O5 a Radeček
locale
cs_CZ
site name
O5 a Radeček
description
Oficiální stránky skupiny O5 a Radeček.

Technology

Server
Apache
CMS
WordPress 7.0
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • scontent-prg1-1.cdninstagram.com×12
  • www.googletagmanager.com×2
  • www.google.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-ACTIVE24
Created
2001-08-19
Expires
2026-08-18 76 days left
Updated
2024-11-15
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 6398904810c914ca.mx2.emailprofi.seznam.cz
  • 20 6398904810c914ca.mx1.emailprofi.seznam.cz

Email authentication weak

SPF
v=spf1 include:spf.seznam.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-26 to 2026-08-24
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.o5.cz/

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

Links to (19)