lukasslaby.cz

.cz crawl dns

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 252 ms crawled 2026-06-03

CZ · 185.99.66.6 · AS8251 FreeTel, s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title: Lukáš Slabý | Full-stack Developer
Description: Full-stack Developer a Linux Administrator. Webové aplikace, mobilní apps, správa serverů.
Language: cs

Open Graph

url: https://lukasslaby.cz
title: Lukáš Slabý | Full-stack Developer
description: Full-stack Developer a Linux Administrator.

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×2
fonts.gstatic.com×1

Contact

Email

Registration

Registrar

REG-INTERNET-CZ

Created

2018-10-26

Expires

2026-10-25 143 days left

Updated

2023-02-22

Name servers

greg.ns.cloudflare.com
meg.ns.cloudflare.com

DNS records live

NS

greg.ns.cloudflare.com
meg.ns.cloudflare.com

MX

1 smtp.lukasslaby.cz

Email authentication strong

SPF

v=spf1 ip4:185.99.66.6 -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:d38f06cf97b24324a145ece4fbe803ab@dmarc-reports.cloudflare.net,mailto:postmaster@lukasslaby.cz

policy: reject (enforced)

DKIM

default: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtM9L7A9Ic5RaeFaA5E7rM51KD1kxeasqVGIdZnPSFtQ/UipxI3KyaVuyax1NDi5QcaiF…

selectors probed

Certificate (current)

from 2026-05-17 to 2026-08-15

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains