indexo.dev

perpetuum.cz

.cz crawl

First seen 2026-05-21 · Last seen 2026-05-27 · ok HTTP/1.1 200 1269 ms crawled 2026-05-27

CZ · 46.28.106.76 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvodní stránka - Perpetuum – vzdělávání bez hranic
Description
Trendy a novinky ve vzdělávání
Language
cs
Generator
All in One SEO (AIOSEO) 4.8.2
Canonical
https://perpetuum.cz/
Feeds

Open Graph

url
https://perpetuum.cz/
title
Perpetuum – vzdělávání bez hranic
locale
cs_CZ
site name
Perpetuum – vzdělávání bez hranic

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×1
  • gmpg.org×1
  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Registration

Registrar
REG-WEBGLOBE
Created
2017-07-30
Expires
2026-07-29 58 days left
Updated
2023-01-29
Name servers
  • ns1.ignum.com
  • ns2.ignum.cz

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 10 wes1-mx1.wedos.net
  • 20 wes1-mx2.wedos.net
  • 30 wes1-mx-backup.wedos.net

Email authentication weak

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

Certificate (current)

R12
from 2026-05-03 to 2026-08-01
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://perpetuum.cz/

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

Links to (6)

Linked from (2)