indexo.dev

ondrejsynek.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 920 ms crawled 2026-06-02

US · 104.21.33.110 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
wordpress site -
Language
en-US
Generator
WordPress 7.0
Canonical
https://ondrejsynek.cz/
Feeds

Open Graph

url
https://ondrejsynek.cz/
title
wordpress site
locale
en_US
site name
wordpress site

Technology

CDN
Cloudflare
CMS
WordPress 7.0

DNS records live

NS
  • crystal.ns.cloudflare.com
  • jonah.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E7
from 2026-05-20 to 2026-08-18
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)