zsku.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1240 ms crawled 2026-06-03

CZ · 185.129.138.218 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ZŠ a MŠ Kamenný Újezd
Language
cs
Canonical
https://www.zsku.cz/

Technology

Server
aruba-proxy
CMS
WordPress

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×6
  • cdn.jsdelivr.net×1

Social

Contact

Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2006-10-26
Expires
2026-10-25 142 days left
Updated
2025-06-09
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 10 zsku-cz.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-06 to 2026-08-04
Expires in 60 days

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zsku.cz/

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 (8)

Linked from (1)