chaintech.cz

.cz dns

First seen 2026-05-30 · Last seen 2026-06-02 · ok HTTP/1.1 200 767 ms crawled 2026-05-31

CZ · 81.2.199.28 · AS24806 INTERNET CZ, a.s.

Reputation 67/100 wrong cert no dmarc policy

sector other type homepage

HTML metadata

Title: ASTRA INSIDE !!
Description: Hacked By Astra

Technology

Server: Apache

Fonts

Google Fonts

Third-party hosts loaded (2)

24.media.tumblr.com×2
fonts.googleapis.com×1

DNS records live

NS

ns.chaintech.cz
ns.hdd.cz

MX

10 hdd.cz
20 ns3.chaintech.cz

Email authentication weak

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

Certificate (current) wrong cert

R12

from 2026-04-03 to 2026-07-02

Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked over plain HTTP: http://chaintech.cz/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

checked over plain HTTP
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload