dotnetcollege.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-06-01 · ok HTTP/1.1 200 2158 ms crawled 2026-05-29

US · 104.21.77.238 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: kurzy a školení .NET framework, webové, desktopové, mobilní a cloudové aplikace | dotNETcollege.cz
Description: DotNETcollege - školení a kurzy pro vývojáře na platformě Microsoft .NET. ASP.NET, Azure, SQL Server, C#, .NET Framework, Entity Framework
Language: en

Open Graph

url: https://www.dotnetcollege.cz/
title: kurzy a školení .NET framework, webové, desktopové, mobilní a cloudové aplikace
description: DotNETcollege - školení a kurzy pro vývojáře na platformě Microsoft .NET. ASP.NET, Azure, SQL Server, C#, .NET Framework, Entity Framework

Technology

CDN: Cloudflare
CMS: Ghost
jQuery: 3.6.1

Analytics

Google Tag Manager

Fonts

Adobe Fonts

Third-party hosts loaded (2)

use.typekit.net×1
www.googletagmanager.com×1

Social

Contact

Phone

+420 728 441 618

Registration

Registrar

REG-ACTIVE24

Created

2013-01-21

Expires

2027-01-20 231 days left

Updated

2017-10-16

Name servers

darl.ns.cloudflare.com
wanda.ns.cloudflare.com

DNS records live

NS

darl.ns.cloudflare.com
wanda.ns.cloudflare.com

MX

1 dotnetcollege-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication weak

SPF: v=spf1 include:sendgrid.net include:spf.protection.outlook.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-12 to 2026-07-11

Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.dotnetcollege.cz/

present

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

findings

short HSTS max-age
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: no-referrer
x-frame-options: DENY
x-content-type-options: nosniff
strict-transport-security: max-age=2592000