indexo.dev

zsivancicka.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 2550 ms crawled 2026-05-31

DE · 3.65.102.101 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ZŠ Ivančická
Description
MODERNÍ ŠKOLA PRO BUDOUCNOST NAŠICH DĚTÍ
Language
cs
Generator
Webnode 2
Canonical
https://www.zsivancicka.cz/

Open Graph

url
https://www.zsivancicka.cz/
title
ZŠ Ivančická
site name
ZŠ Ivančická
description
MODERNÍ ŠKOLA PRO BUDOUCNOST NAŠICH DĚTÍ
article:published time
2026-05-04T00:00:00+0200

Technology

Server
webnode
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • c39b4134a1.clvaw-cdnwnd.com×24
  • duyn491kcolsw.cloudfront.net×19
  • fonts.gstatic.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-WEB4U
Created
2006-10-19
Expires
2030-10-18 1600 days left
Updated
2020-09-29
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 1 aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

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

Certificate (current)

R13
from 2026-04-16 to 2026-07-15
Expires in 44 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zsivancicka.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
DENY

Links to (4)

Linked from (2)