indexo.dev

zgroup.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 600 ms crawled 2026-05-30

CZ · 80.211.211.34 · AS24806 INTERNET CZ, a.s.

Reputation 64/100 wrong cert weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Z-Group a.s.
Language
cs-CZ
Generator
WordPress 4.5.32
Feeds

Technology

Server
Apache
CMS
WordPress 4.5.32 legacy (latest 7.0)

DNS records live

NS
  • dns1.z-net.cz
  • dns2.z-net.cz
  • dns3.z-net.cz
  • dns4.z-net.cz
MX
  • 10 mxgw3.z-net.cz
  • 20 mxgw1.z-net.cz
  • 30 mxgw2.z-net.cz
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:80.211.221.205/32 ip4:185.111.97.37/32 ip4:85.255.3.70/32 ip6:2001:15e8:110:5ccd::1/64 ip6:2001:15e8:110:1b46::1/64 -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none
policy: none (monitoring only) · sp=none
DKIM
  • mail: v=DKIM1; k=rsa; n=2048; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/vs9fgCcdVbaydR5gTqkM5q0f0bq9482WDcK1woNMDG4OryrGG/3LT7moi4UYhzqrc1sj9…
selectors probed

Certificate (current) wrong cert

h901
from 2018-02-27 to 2028-02-25
Expires in 635 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.zgroup.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)