indexo.dev

prostedychej.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 1160 ms crawled 2026-05-30

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Prostě dýchej – Nadační web se sportovními akcemi podporující nemocné s Cystickou fibrózou
Language
cs
Generator
WordPress 6.5.8
Canonical
https://prostedychej.cz/
Feeds

Technology

Server
openresty
CMS
WordPress 6.5.8
PHP
7.1.33 end of life
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • gmpg.org×1

Social

Contact

Phone

Registration

Registrar
REG-WEB4U
Created
2017-02-20
Expires
2027-02-19 263 days left
Updated
2017-02-20
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)

R12
from 2026-04-24 to 2026-07-23
Expires in 52 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (1)