freeclass.cz

.cz crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 648 ms crawled 2026-05-31

AT · 83.175.127.152 · AS31510 Innsbrucker Kommunalbetriebe AG

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title: freeClass - Ceská verze
Language: cz-cz
Generator: jubacon

Technology

Server: Microsoft-IIS

Contact

Email

Phone

0043512362233

Registration

Registrar

REG-1API

Created

2021-10-19

Expires

2026-10-18 139 days left

Updated

2025-11-24

Name servers

ns1.iconomy.at
ns2.iconomy.at

DNS records live

NS

ns1.iconomy.at
ns2.iconomy.at

MX

10 mail.freeclass.cz

Email authentication weak

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

Certificate (current) wrong cert

GlobalSign GCC R6 AlphaSSL CA 2023

from 2024-08-02 to 2025-09-03

Expired 271 days ago

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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