k2stavebni.cz

.cz crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 2395 ms crawled 2026-05-19

SK · 37.9.175.213 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: K2 stavební
Description: Jsme stavební firma z Ostravy působící na území Moravskoslezského kraje. Provádíme rekonstrukce, demolice a další druhy stavebních činností.
Language: cs

Technology

Server: openresty

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

REG-ACTIVE24

Created

2008-11-28

Expires

2026-11-27 190 days left

Updated

2025-12-17

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

0 k2stavebni-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

SPF: v=spf1 include:spf.protection.outlook.com include:_spf.m1.websupport.sk -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-11 to 2026-08-09

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.k2stavebni.cz/

present

content-security-policy

findings

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

Header values

content-security-policy: upgrade-insecure-requests