rednet.cz

.cz dns

First seen 2026-05-21 · Last seen 2026-06-02 · ok HTTP/1.1 200 662 ms crawled 2026-05-27

CZ · 37.235.102.72 · AS39392 SH.cz s.r.o.

Reputation 87/100 weak security headers no dmarc policy

sector other type homepage

HTML metadata

Title: REDNET.CZ Stay Tuned
Language: cs

Technology

Server: nginx

DNS records live

NS

ns1.rednet.cz
ns2.rednet.cz

MX

10 mail.alias.cz

Email authentication weak

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

Certificate (current)

E8

from 2026-04-16 to 2026-07-15

Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://rednet.cz/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff