lkvr.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 1034 ms crawled 2026-06-03

SK · 37.9.175.212 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Úvod - lkvr.cz
Language: cs-cz

Open Graph

url: https://lkvr.cz/
title: Úvod
site name: lkvr.cz

Technology

Server: openresty
CMS: Joomla

Fonts

Google Fonts

Third-party hosts loaded (1)

fonts.googleapis.com×1

DNS records live

NS

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

MX

10 mailin1.lkvr.cz
100 mailin2.lkvr.cz

Email authentication weak

SPF

v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all

softfail (~all)

DMARC

not published

DKIM

mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3pVWLe2hOcjO2eJU79OxAPJNIz/rHiuSBf7Ek6TDgdMwJWcW8VMueJXwcEKB12YaUNwmy469tbwpIW…

selectors probed

Certificate (current)

R12

from 2026-04-13 to 2026-07-12

Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://lkvr.cz/

present

content-security-policy
x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing HSTS
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests
cross-origin-opener-policy: same-origin