zus-zerotin.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 809 ms crawled 2026-06-01

CZ · 91.228.45.189 · AS197895 ONYX engineering, spol. s r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Základní umělecká škola „Žerotín“ Olomouc
Description: Základní umělecká škola „Žerotín“ Olomouc, Kavaleristů 6
Language: cs

Technology

Server: nginx
CMS: Joomla
PHP: 5.6.40 end of life
jQuery: 1.9.1 known XSS (<3.5)
Stack: PHP

Fonts

Google Fonts

Social widgets

YouTube Embed

Third-party hosts loaded (6)

ajax.googleapis.com×1
code.jquery.com×1
fonts.googleapis.com×1
www.google.com×1
www.izus.cz×1
www.youtube.com×1

Social

Contact

Phone

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

10 posta.zus-zerotin.cz

TXT

MS=63E3E5A71A63262B56AFC75861B96DFF1A92D31B

Verified for

Google

Email authentication weak

SPF

v=spf1 a mx include:spf1.imao.cz include:spf2.imao.cz a:193.19.179.28 ~all

softfail (~all)

DMARC

not published

DKIM

dkim: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0kJzG8Qls25W0xBSsOhlAfwsJjHMb1ZtR1LgD/WR9jw4YZn8o/YaXNlpisiY3EngEH5012U393b+QEsE14WVt…

selectors probed

Certificate (current)

R12

from 2026-04-27 to 2026-07-26

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.zus-zerotin.cz/

findings

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

Links to (7)

Linked from (1)

machovsky.cz×1