indexo.dev

zsgm.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 4562 ms crawled 2026-06-01

CZ · 91.239.202.42 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvod – ZŠGM Štítná nad Vláří
Language
cs
Canonical
https://www.zsgm.cz

Open Graph

url
https://www.zsgm.cz
title
Úvod
locale
cs_CZ
site name
Základní škola Gabry a Málinky

Technology

Server
Apache
PHP
7.4.33 end of life
jQuery
3.4.1 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (2)

  • use.typekit.net×1
  • www.googletagmanager.com×1

Contact

Email
Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2019-08-28
Expires
2026-08-27 82 days left
Updated
2019-09-05
Name servers
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
MX
  • 1 zsgm-cz.mail.protection.outlook.com
Verified for
  • Canva
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx include:spf.protection.outlook.com include:spf.skolaonline.cz ~all
softfail (~all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAssX0Ckj2zFS7y6Ztc4NANHXQloJfphecXfFAHBR22ce1b5PV2aQ96ZrSQBVGMAXxlr79ECDaX5OQAH…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxkfWrshvCyzWnZ7c515uhDkMgpumUh447amocr4EiJhn0mQlYx4fCcPdQ0Nu+qwWZL/pdgP4KyoPhe…
selectors probed

Certificate (current)

R13
from 2026-05-07 to 2026-08-05
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)