masterclassing.com

HTML metadata

Title

Home | Masterclassing

Language

en

Generator

Drupal 10 (https://www.drupal.org)

Canonical

http://www.masterclassing.com/

Open Graph

url

http://www.masterclassing.com/home

title

Home | Masterclassing

Technology

CDN

Amazon CloudFront

CMS

Drupal

Analytics

• Google Tag Manager

Social widgets

• YouTube Embed

Third-party hosts loaded (4)

• www.youtube.com×2
• cdn.jsdelivr.net×1
• js.hs-scripts.com×1
• www.googletagmanager.com×1

Social

• linkedin

Registration

Registrar

GoDaddy.com, LLC

Created

2012-09-20

Expires

2034-09-20 3044 days left

Updated

2026-05-14

Name servers

• ns55.domaincontrol.com
• ns56.domaincontrol.com

DNS records live

NS

• ns55.domaincontrol.com
• ns56.domaincontrol.com

MX

• 1 aspmx.l.google.com
• 10 aspmx2.googlemail.com
• 10 aspmx3.googlemail.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

Verified for

• Google

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:msgfocus.com include:amazonses.com ~all

softfail (~all)

DMARC

v=DMARC1;p=reject;pct=100;rua=mailto:4753a67e38@rua.easydmarc.eu;ruf=mailto:4753a67e38@ruf.easydmarc.eu;ri=86400;fo=1;

policy: reject (enforced)

DKIM

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApEizQYCwTMsyP6XMkzE8LYg4xK4y9LnuxqZEGaWn+jDXjSXweegIa4snjPwbsjyWU7roHAfK+yxYru…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.masterclassing.com/

present

• x-frame-options
• x-content-type-options

findings

• missing HSTS
• missing Content Security Policy
• missing Referrer Policy
• missing Permissions Policy

Links to (1)

• linkedin.com×1

Linked from (1)

• mobilemarketingmagazine.com×1