zshartmanice.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1118 ms crawled 2026-05-31

DE · 3.125.172.46 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: ZS_Hartmanice
Description: Základní škola Hartmanice,příspěvková organizace
Language: cs
Generator: Webnode 2
Canonical: https://www.zshartmanice.cz/

Open Graph

url: https://www.zshartmanice.cz/
title: ZS_Hartmanice
site name: zshartmanice.cz
description: Základní škola Hartmanice,příspěvková organizace
article:published time: 2026-04-21T00:00:00+0200

Technology

Server: webnode
Stack: PHP

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (4)

duyn491kcolsw.cloudfront.net×17
29cd94b44b.clvaw-cdnwnd.com×11
fonts.gstatic.com×1
www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar

REG-WEB4U

Created

2006-02-07

Expires

2027-02-06 250 days left

Updated

2015-09-10

Name servers

ns2.web4u.cz
ns.web4u.cz

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

0 zshartmanice-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

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

Certificate (current)

R12

from 2026-04-18 to 2026-07-17

Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.zshartmanice.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 (3)

Linked from (1)

muhartmanice.cz×1