indexo.dev

jihoceskasestricka.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 802 ms crawled 2026-05-30

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

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
JIHOČESKÁ SESTŘIČKA – Soutěž vědomostí, zručností a fyzických dovedností budoucích zdravotních sester
Language
cs
Generator
WordPress 6.8.5
Canonical
https://jihoceskasestricka.cz/
Feeds

Technology

Server
openresty
CMS
WordPress 6.8.5
PHP
8.1.34 end of life
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • gmpg.org×1

Social

Registration

Registrar
REG-WEB4U
Created
2015-08-26
Expires
2026-08-25 85 days left
Updated
2015-08-26
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx1.mailchannels.net
  • 10 mx2.mailchannels.net

Email authentication weak

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

Certificate (current)

R13
from 2026-04-11 to 2026-07-10
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)