indexo.dev

opst.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 510 ms crawled 2026-05-30

CZ · 46.28.110.239 · AS197019 WEDOS Internet, a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Operační program Spravedlivá transformace – Oficiální stránky Operačního programu Spravedlivá transformace
Description
Oficiální stránky Operačního programu Spravedlivá transformace
Language
sk
Canonical
https://opst.cz/
Feeds

Technology

Server
Apache
CMS
WordPress
jQuery
3.6.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 1 opst-cz.mail.protection.outlook.com
  • 10 ns.env.cz
  • 20 ns2.env.cz
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 2026-04-25 to 2026-07-24
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://opst.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15768000

Links to (13)

Linked from (2)