lukasfrei.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-03 · ok HTTP/1.1 200 1002 ms crawled 2026-06-01

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Parťák pro online svět | Lukáš Frei

Language

Generator

Divi Pruvodce v.1.0.0

Canonical

https://lukasfrei.cz/

Feeds

Open Graph

url: https://lukasfrei.cz/
title: Parťák pro online svět | Lukáš Frei
locale: cs_CZ
site name: Lukáš Frei

Technology

Server: openresty
CMS: WordPress
jQuery: 3.7.1

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

www.googletagmanager.com×2
fonts.gstatic.com×1

Contact

Phone

DNS records live

NS

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

MX

10 mailin1.lukasfrei.cz
100 mailin2.lukasfrei.cz

Verified for

Google

Email authentication weak

SPF

v=spf1 a mx include:_spf.mlsend.com include:_spf.m1.websupport.sk ?all

neutral (?all)

DMARC

not published

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk65zZp74dLz+ZeLNmueB1oH5Kq/095GonaY5Pn8aiRmTb8+B22VB4vGHoDgvNz9Wy6HTrNp/kSG4qT…

selectors probed

Certificate (current)

YR1

from 2026-05-28 to 2026-08-26

Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://lukasfrei.cz/

present

content-security-policy

findings

missing HSTS
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

content-security-policy: upgrade-insecure-requests