indexo.dev

zushb.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 834 ms crawled 2026-06-02

CZ · 188.130.140.211 · AS205026 wvg solution s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Základní umělecká škola J. V. Stamice Havlíčkův Brod

Technology

Server
Microsoft-IIS
ASP.NET
4.0.30319
jQuery
3.4.1 known XSS (<3.5)
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.fmm.cz×11
  • fonts.googleapis.com×3
  • cdn.jsdelivr.net×2
  • fonts.gstatic.com×1

DNS records live

NS
  • ns1.ignum.com
  • ns2.ignum.cz
MX
  • 10 b05187d74fb710b6.mx2.emailprofi.seznam.cz
  • 20 b05187d74fb710b6.mx1.emailprofi.seznam.cz

Email authentication weak

SPF
v=spf1 include:spf.seznam.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-27 to 2026-08-25
Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.zushb.cz/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=300

Links to (2)

Linked from (1)