indexo.dev

cistenebe.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 595 ms crawled 2026-05-31

CZ · 81.91.222.53 · AS39817 OvaNet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Čisté Nebe
Language
cs

Open Graph

url
cistenebe.cz/
title
Čisté Nebe
site name
Čisté nebe

Technology

Server
nginx
PHP
5.4.16 end of life
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (3)

  • www.issa.cz×2
  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Contact

Email

Registration

Registrar
REG-ZONER
Created
2010-12-03
Expires
2026-12-02 184 days left
Updated
2024-06-18
Name servers
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-12-30 to 2027-01-29
Expires in 242 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://cistenebe.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
SAMEORIGIN

Links to (9)