indexo.dev

zindex.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 355 ms crawled 2026-05-31

DE · 136.243.104.61 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Zindex.cz

Technology

Server
gunicorn
CMS
Gatsby
Stack
Django

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×1
  • plausible.datlab.eu×1

Contact

Email

DNS records live

NS
  • ns.onebit.cz
  • ns.onebit.eu
  • ns.onebit.org
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Meta

Email authentication partial

SPF
v=spf1 mx include:_spf.onebit.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxPacuHvYiDYTKSuSZoAdLH/VBP8DpdGeIT/6WwULpkyPSz8wEVWs3xfX0R4VXMan0fZSMB/JGYWEgDied7c…
selectors probed

Certificate (current)

R12
from 2026-04-16 to 2026-07-15
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://zindex.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (2)

Linked from (2)