indexo.dev

system4edu.com

.com crawl

First seen 2026-05-20 · Last seen 2026-05-20 · ok HTTP/1.1 200 770 ms crawled 2026-05-27

CZ · 88.86.124.152 · AS39392 SH.cz s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Náhradový systém jazykové školy - Auksys
Description
Spravujte studenty, lekce
Language
en-US
Generator
WordPress 6.8.5
Canonical
https://system4edu.com/
Feeds

Open Graph

url
https://system4edu.com/
title
Náhradový systém jazykové školy - Auksys
locale
en_US
site name
Auksys
description
Spravujte studenty, lekce
updated time
2026-05-12T13:34:04+02:00

Technology

Server
Apache
CMS
WordPress 6.8.5
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.googletagmanager.com×3
  • gmpg.org×1
  • www.google.com×1

Registration

Registrar
Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
Created
2025-08-14
Expires
2026-08-14 74 days left
Updated
2025-08-14
Name servers
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk

Email authentication no MX

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

Certificate (current)

E8
from 2026-04-25 to 2026-07-24
Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://system4edu.com/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (1)

Linked from (1)