indexo.dev

specialolympics.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 332 ms crawled 2026-06-01

CZ · 81.91.86.12 · AS39790 Web4U s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Domů - Speciální olympiáda ČR
Description
Speciální olympiáda ČR
Language
cs

Open Graph

url
https://specialolympics.cz/
title
Domů - Speciální olympiáda ČR
description
Speciální olympiáda ČR

Technology

Server
openresty
jQuery
3.6.0
Stack
PHP

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×2
  • cdn.jsdelivr.net×1
  • www.google.com×1

Social

Registration

Registrar
REG-WEB4U
Created
2002-03-12
Expires
2027-03-10 280 days left
Updated
2022-03-01
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 partial

SPF
v=spf1 include:_spf.web4u.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-04 to 2026-07-03
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://specialolympics.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 (20)

Linked from (1)