indexo.dev

h-konstrukce.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1264 ms crawled 2026-06-02

CZ · 91.239.201.15 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvodní - H-Konstrukce
Language
cs

Open Graph

url
https://www.h-konstrukce.cz/
title
Úvodní

Technology

Server
nginx
PHP
7.0.33 end of life
jQuery
3.4.0 known XSS (<3.5)
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • cdn.cookie-script.com×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Contact

Phone

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
MX
  • 10 ign-mx1.webglobe.com
  • 10 ign-mx2.webglobe.com
  • 10 ign-mx3.webglobe.com
  • 10 ign-mx4.webglobe.com

Email authentication weak

SPF
v=spf1 include:_spf.ignum.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 82 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.h-konstrukce.cz/

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

Links to (1)

Linked from (1)