indexo.dev

michal-kulstejn.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 1104 ms crawled 2026-05-30

CZ · 217.11.249.141 · AS15685 CASABLANCA INT a.s.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Michal Kulštejn official – Oficiální stránky Michala Kulštejna
Language
cs-CZ
Generator
Powered by LayerSlider 6.8.4 - Multi-Purpose, Responsive, Parallax, Mobile-Friendly Slider Plugin for WordPress.
Canonical
https://michal-kulstejn.cz/
Feeds

Open Graph

url
https://michal-kulstejn.cz/
title
home
site name
Michal Kulštejn official

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×6
  • s.w.org×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-GRANSY
Created
2014-10-22
Expires
2026-10-21 142 days left
Updated
2017-11-24
Name servers
  • jaguar.blueboard.cz
  • ns2.blueboard.cz
  • shinzon.blueboard.cz

DNS records live

NS
  • ns2.blueboard.cz
  • shinzon.blueboard.cz
MX
  • 10 mx.blueboard.cz
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx include:spf.blueboard.cz -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-04 to 2026-07-03
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://michal-kulstejn.cz/

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

Links to (7)

Linked from (1)