indexo.dev

gymnaziumrajec.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 4301 ms crawled 2026-05-30

CZ · 77.93.211.212 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Úvod | Gymnázium Rájec-Jestřebí
Description
Úvodní stránka
Feeds

Open Graph

title
Gymnázium Rájec-Jestřebí
description
Úvodní stránka

Technology

Server
Apache
PHP
5.6.40 end of life
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×1
  • toplist.cz×1
  • www.banan.cz×1
  • www.facebook.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
REG-BANAN
Created
2006-12-19
Expires
2026-12-18 200 days left
Updated
2022-08-22
Name servers
  • b13.banan.cz
  • b15.banan.cz

DNS records live

NS
  • b13.banan.cz
  • b15.banan.cz
MX
  • 0 gymnaziumrajec-cz.mail.protection.outlook.com

Email authentication weak

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

Certificate (current)

Alpiro RSA DV SSL CA 2
from 2025-09-19 to 2026-09-20
Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (8)

Linked from (1)