zdravotnipojistenci.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 677 ms crawled 2026-06-03

CZ · 81.91.86.13 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Hlavní stránka - Platforma zdravotních pojištěnců
Language
cs

Technology

Server
openresty
CMS
Gatsby
PHP
7.4.33 end of life
jQuery
1.11.3 known XSS (<3.5)
Stack
PHP

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 0 zdravotnipojistenci-cz.mail.protection.outlook.com

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 2026-04-06 to 2026-07-05
Expires in 30 days

HTTP security headers

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

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

Linked from (1)