indexo.dev

jedecygnus.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 1426 ms crawled 2026-05-31

NL · 20.105.232.42 · AS8075 Microsoft Corporation

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Stav informačního systému
Language
cs

Technology

Server
gunicorn

Third-party hosts loaded (1)

  • s3.amazonaws.com×1

Registration

Registrar
REG-GRANSY
Created
2021-04-15
Expires
2027-04-14 317 days left
Name servers
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com
  • ns.gransy.com

DNS records live

NS
  • ns.gransy.com
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1
from 2026-03-19 to 2026-09-20
Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jedecygnus.cz/

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

Linked from (1)