indexo.dev

czech-glass-school.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 732 ms crawled 2026-05-31

CZ · 89.221.213.34 · AS197019 WEDOS Internet, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

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

Technology

Server
ATS
CMS
Joomla
jQuery
1.8.1 known XSS (<3.5)
Analytics
  • Google Tag Manager
Cookie consent
  • Usercentrics
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • web.cmp.usercentrics.eu×1
  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Contact

Phone

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 0 czechglassschool-cz01ci.mail.protection.outlook.com
  • 10 mx.web4u.cz
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwHXdcwTm8dHjsT/ivC8K80fSV/ZQLpk4fd58JVI87llTFZOnS49/01CYvopYyZao+e3Y8aaYEaYNYP…
selectors probed

Certificate (current)

R13
from 2026-05-15 to 2026-08-13
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://czech-glass-school.cz/

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

Links to (6)

Linked from (1)