indexo.dev

gt-energy.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 621 ms crawled 2026-06-03

CZ · 81.95.110.100 · AS25234 ACTIVE 24, s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title
GT Energy - Green technology
Description
GT Energy : Naší vizí je vyhledávat v zahraničí nové úsporné technologie a aplikovat je v České republice.
Language
cs
Generator
Topinfo CMS, www.topinfocms.cz

Technology

Server
nginx
jQuery
1.12.4 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • www.projektuj-tepelna-cerpadla.cz×3
  • c.imedia.cz×1
  • ifirmy.cz×1
  • www.googletagmanager.com×1

Contact

Phone

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk
MX
  • 5 zimbra.veskom.cz

Email authentication strong

SPF
v=spf1 ip4:94.113.255.59 ip4:77.78.67.26 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@gt-energy.cz; ruf=mailto:dmarc@gt-energy.cz
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-08 to 2026-10-10
Expires in 128 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.gt-energy.cz/

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
Header values
referrer-policy
no-referrer-when-downgrade
x-frame-options
SAMEORIGIN
permissions-policy
accelerometer=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), interest-cohort=()
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests

Links to (1)

Linked from (1)