dsec.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-28 · ok HTTP/1.1 200 2562 ms crawled 2026-05-28

CZ · 194.145.180.34 · AS24971 MasterDC s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
DS Energy Consulting s.r.o.
Description
Čísla. Fakta. Jistota. Jsme poradenská společnost v oblasti moderní energetiky, úspor a čistých technologií. Máme zkušenosti, pracujeme na jistotu, nehrajeme si s čísly.
Language
cs

Open Graph

title
DS Energy Consulting s.r.o.
description
Čísla. Fakta. Jistota. Jsme poradenská společnost v oblasti moderní energetiky, úspor a čistých technologií. Máme zkušenosti, pracujeme na jistotu, nehrajeme si s čísly.

Technology

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

Third-party hosts loaded (4)

  • unpkg.com×5
  • cdnjs.cloudflare.com×1
  • maps.googleapis.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2017-07-27
Expires
2027-07-26 420 days left
Updated
2017-07-27
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 dsec-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

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

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 51 days

HTTP security headers

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

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; preload

Links to (6)

Linked from (1)