indexo.dev

zusliberec.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-29 · ok HTTP/1.1 200 1968 ms crawled 2026-05-29

CZ · 217.198.116.235 · AS34222 ZONER a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Základní umělecká škola v Liberci | Základní umělecká škola v Liberci
Language
cs

Technology

Server
Apache
jQuery
3.6.0
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Registration

Registrar
REG-ZONER
Created
2003-04-17
Expires
2027-04-15 316 days left
Updated
2019-11-23
Name servers
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
Show 6 MX records
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 10 aspmx4.googlemail.com
  • 10 aspmx5.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • MS=607AC4A8C2EBCC21AB7527B732FE907B1DFBD32C

Email authentication weak

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

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-10-25 to 2026-11-24
Expires in 174 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)