indexo.dev

zuskrnov.cz

.cz crawl

First seen 2026-06-10 · Last seen 2026-06-10 · ok HTTP/1.1 200 1031 ms crawled 2026-06-10

CZ · 81.91.85.211 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
Základní umělecká škola, Krnov – Základní umělecká škola, Krnov
Language
cs
Generator
Site Kit by Google 1.180.0
Canonical
https://www.zuskrnov.cz/
Feeds
active last post 9 days ago

Technology

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

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×2
  • fonts.gstatic.com×1
  • gmpg.org×1

Social

Registration

Registrar
REG-WEB4U
Created
2005-06-07
Expires
2027-06-06 353 days left
Updated
2010-07-28
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1+U8N6yj3PA0XBWJTYwpwc9n0tSyCzBCXbzIR2QYDDSPP9xhgd/a0JfIjAid5/Zh0Knnuf3DubnADC…
selectors probed

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

Linked from (1)

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