vrschool.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 523 ms crawled 2026-06-02

US · 172.67.167.247 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: VR School | VR Training
Description: Vaše škola ve virtuální realitě
Language: cs
Canonical: https://www.vrschool.cz/

Open Graph

title: Missing page title
description: null

Technology

CDN: Cloudflare
CMS: Nuxt
JS framework: Vue

Third-party hosts loaded (1)

cdn.vrtraining.services×11

Social

Contact

Phone

774 950 348

Address

774 950 348[email protected]

DNS records live

NS

leland.ns.cloudflare.com
venus.ns.cloudflare.com

MX

0 vrschool-cz.mail.protection.outlook.com

Verified for

Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:_spf.leadspicker.com include:spf.smartemailing.cz include:amazonses.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:e61a154b85264d7eac75cc970b977b0f@dmarc-reports.cloudflare.net,mailto:5l3gb3ka@dmarc.boldem.cz,mailto:dmarc+676739@smartemailing.cz; fo=1

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuLljObJKFh62Z69nfCeUqllCI8FyqdTNA568kXeNPmV9ip+aPdgpmS1mzucYHrn4zyBp0pFbY8d3KI…

selectors probed

Certificate (current)

WE1

from 2026-05-18 to 2026-08-16

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.vrschool.cz/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff