indexo.dev

kotaca.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 525 ms crawled 2026-06-01

CZ · 81.95.110.137 · AS25234 ACTIVE 24, s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
ŽELEX - Speciální prvky pro stavebnictví
Description
Betonové konstrukce a zdivo, kompozitní výztuže - Jiří Kotača.
Language
cs
Canonical
https://www.kotaca.cz

Technology

Server
nginx
jQuery
3.2.1 known XSS (<3.5)
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
REG-ACTIVE24
Created
2011-10-26
Expires
2026-10-25 144 days left
Updated
2014-10-24
Name servers
  • ns2.uh.cz
  • ns.uh.cz

DNS records live

NS
  • ns1.webglobe.cz
  • ns2.webglobe.cz
  • ns3.webglobe.com
MX
  • 0 kotaca-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • mail: v=DKIM1; h=sha256; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBC gKCAQEAvEHCf4OYQST4zpe53mI+9tDkOIFujRWNWbvN0TyUJLQcA7/+v2hWAUtfbN…
selectors probed

Certificate (current)

E8
from 2026-04-04 to 2026-07-03
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.kotaca.cz/

present
  • content-security-policy
  • x-frame-options
findings
  • missing HSTS
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
content-security-policy
upgrade-insecure-requests

Linked from (1)