indexo.dev

onesystem.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 999 ms crawled 2026-06-03

DE · 3.125.172.46 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ONE SYSTEM
Description
U zrodu společnosti stála myšlenka bezpečné dopravy.
Language
cs
Generator
Webnode 2
Canonical
https://www.onesystem.cz/

Open Graph

url
https://www.onesystem.cz/
title
ONE SYSTEM
site name
ONE SYSTEM
description
U zrodu společnosti stála myšlenka bezpečné dopravy.
article:published time
2025-06-05T00:00:00+0200

Technology

Server
webnode
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • duyn491kcolsw.cloudfront.net×19
  • 3d871b6c56.clvaw-cdnwnd.com×9
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Registration

Registrar
REG-MEDIA4WEB
Created
2013-12-13
Expires
2026-12-12 190 days left
Updated
2024-11-04
Name servers
  • ns1.register.it
  • ns2.register.it

DNS records live

NS
  • ns1.register.it
  • ns2.register.it
MX
  • 0 onesystem-cz.mail.protection.outlook.com
TXT
  • v=DMARC1; p=none; rua=mailto:support.onesystem@onesystem.cz
Verified for
  • 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=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuNSean5xiS/CcaqVlBTtf303OYP1zZ9TQEsVWEeiEPOTNESUZoe2w+mXpQANoRjOofKuSMurQURf3l…
  • mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdcbpaoNfnowsra2LdWb0HY3rbjjfYOYSbTuWgaa9jDdyQyrNqxUDyH2vX4p3Zh6NWT88hvg89WbeKEAQAKn…
selectors probed

Certificate (current)

YR1
from 2026-05-31 to 2026-08-29
Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.onesystem.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY

Linked from (1)