indexo.dev

zus-zruc.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 473 ms crawled 2026-06-02

CZ · 46.234.109.105 · AS39392 SH.cz s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title
ZUŠ Zruč nad Sázavou - Oficiální stránky Základní umělecká škola Zruč nad Sázavou
Description
ZUŠ Zruč nad Sázavou
Language
cs

Technology

Server
Microsoft-IIS
Stack
PHP

Third-party hosts loaded (2)

  • static.gc-system.cz×9
  • cdn.jsdelivr.net×1

Social

Contact

Email
Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2006-12-12
Expires
2026-12-11 191 days left
Updated
2026-04-01
Name servers
  • ns.grdns.cz
  • ns.grdns.it

DNS records live

NS
  • ns.grdns.cz
  • ns.grdns.it
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
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-02 to 2026-07-01
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zus-zruc.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin

Links to (10)

Linked from (1)