masterchallenge.me

HTML metadata

Title

Master Challenge — Turn education into real-world impact

Description

Master Challenge helps educational institutions organize challenge-based education at scale.

Language

en

Canonical

https://masterchallenge.me/

Open Graph

url

https://masterchallenge.me/

title

Master Challenge — Turn education into real-world impact

locale

en_US

site name

Master Challenge

description

Master Challenge helps educational institutions organize challenge-based education at scale.

Technology

CDN

Cloudflare

Server

nginx

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×1

DNS records live

NS

• ns01.hostnet.nl
• ns02.hostnet.nl

MX

• 10 mx1.mailpod13-cph3.g1i.hostnet.nl
• 10 mx2.mailpod13-cph3.g1i.hostnet.nl
• 10 mx3.mailpod13-cph3.g1i.hostnet.nl
• 10 mx4.mailpod13-cph3.g1i.hostnet.nl

Verified for

• Google

Email authentication strong

SPF

v=spf1 include:_spf.hostnet.nl include:_spf.google.com ip4:185.66.250.132 ip4:157.245.64.251 ip4:157.245.64.251 ip4:165.22.200.166 ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine;

policy: quarantine

DKIM

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqkJ05zwPt0DFLgkCLLXUsKgKTUMlG+nsj36ChHuyBQb1Ulnw2p1IjvLSMLRJjiu8b6bz7JIaqOcnzM…
• mail: v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArzT3UQ9dLXqjkWqFWa5rjxuYuCugH+mcVdedZEkrh8txA6jjzd33z0aB4u4l3imZTIhn…
• dkim: v=DKIM1; h=sha256; k=rsa; t=y; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuxWhE0Sj98lOZpw9pDMSMUjzXHDCtyZk+2gimJzZ1vRbZTBoTcnwNv3dS4pjI7m…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://masterchallenge.me/

present

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

findings

• missing Content Security Policy
• missing frame protection
• missing Permissions Policy

Linked from (1)

• bootmine.com×1