u1.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 733 ms crawled 2026-05-31

CZ · 62.109.150.243 · AS29134 Webglobe, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: U1 Space Design | Design and execution of offices and more
Description: Vítejte na Vašem novém webu vytvořeném systémem Xaver CMS 4.6.1
Language: en
Canonical: https://www.u1.cz/en

Open Graph

url: https://www.u1.cz/
title: U1 Space Design | Design and execution of offices and more
description: Vítejte na Vašem novém webu vytvořeném systémem Xaver CMS 4.6.1

Technology

Server: nginx
Stack: PHP

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

fonts.googleapis.com×2
www.facebook.com×2
fonts.gstatic.com×1
www.google.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

REG-ACTIVE24

Created

2007-01-19

Expires

2027-01-18 231 days left

Updated

2026-04-26

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 u1-cz.mail.protection.outlook.com
20 mailin1.u1.cz

TXT

XNtFeKLw57Y1nS8UVXvzJ618bCOdyxiiZBUOoVipYa3CNUDWHeydVBJQhTvy8PWIZe+g1ji9w0MFzE0IWSeWyQ==

Verified for

Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:_spf.webglobe.cz include:_spf.m1.websupport.sk -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…

selectors probed

Certificate (current)

R12

from 2026-04-19 to 2026-07-18

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.u1.cz/

findings

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

Links to (5)

Linked from (1)

mirekbenes.cz×1