indexo.dev

cleversite.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1069 ms crawled 2026-06-04

CZ · 31.15.10.141 · AS25234 ACTIVE 24, s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Úvod
Language
cs-cz
Generator
Joomla! - Open Source Content Management

Open Graph

url
https://cleversite.cz/
title
Úvod
locale
cs-CZ
site name
Jesle Ječmínek o.p.s.

Technology

Server
nginx
CMS
Joomla
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk
MX
  • 10 mx1.active24.com
  • 20 mx2.active24.com

Email authentication weak

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

Certificate (current)

E7
from 2026-05-18 to 2026-08-16
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://cleversite.cz/

present
  • content-security-policy
  • x-frame-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
content-security-policy
upgrade-insecure-requests
cross-origin-opener-policy
same-origin

Links to (2)

Linked from (1)