energievednevnoci.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 532 ms crawled 2026-06-03

SK · 37.9.175.212 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: DVOUBAREVNÁ ENERGETIKA
Description: Odkud pocházela elektřina dne 2. června 2026.
Language: cs

Open Graph

url: https://www.energievednevnoci.cz/
title: DVOUBAREVNÁ ENERGETIKA
locale: cs_CZ
site name: www.energievednevnoci.cz/
description: Odkud pocházela elektřina dne 2. června 2026.

Technology

Server: openresty

Social widgets

YouTube Embed

Third-party hosts loaded (2)

cdn.jsdelivr.net×1
www.youtube.com×1

Social

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

10 mailin1.energievednevnoci.cz
100 mailin2.energievednevnoci.cz

Email authentication weak

SPF

not published

DMARC

not published

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxKR27L+rkbybB5J7UCGjq4m5kXKXTkMa2pJI+8MlF+OLu8pw6JO2zZ5r5yXhhIo+1viB0jRZndEsFJ…

selectors probed

Certificate (current)

R12

from 2026-05-18 to 2026-08-16

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.energievednevnoci.cz/

present

content-security-policy

findings

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

Header values

content-security-policy: upgrade-insecure-requests

Links to (7)

Linked from (1)

donaulipno.eu×1