indexo.dev

3jg.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 520 ms crawled 2026-06-01

CZ · 217.16.191.200 · AS43541 VSHosting s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Investiční skupina | 3J Group, s.r.o.
Description
Investujeme do majetkových účastí v perspektivních menších a středně velkých podnicích, a to jak do projektů v rané fázi vývoje i do společností ve složité ekonomické situaci.
Language
cs
Generator
Winston 4

Technology

PHP
7.2.33 end of life
Stack
PHP
Fonts
  • Adobe Fonts

Third-party hosts loaded (1)

  • use.typekit.net×1

Contact

Email
Phone

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 3jg-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

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

Certificate (current)

R12
from 2026-05-27 to 2026-08-25
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.3jg.cz

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)