productschool.com

HTML metadata

Title: Become an AI Builder | AI Courses for Product Managers
Description: Advanced AI courses taught live by product leaders from the world's top companies. Learn the skills to build and ship products faster with AI
Language: en
Canonical: https://productschool.com

Open Graph

url: https://productschool.com
title: Become an AI Builder
description: Advanced AI courses taught live by product leaders from the world's top companies. Learn the skills to build and ship products faster with AI

Technology

CDN: Vercel
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2014-07-17

Expires

2027-07-17 411 days left

Updated

2026-02-18

Name servers

elinore.ns.cloudflare.com
vick.ns.cloudflare.com

DNS records live

NS

elinore.ns.cloudflare.com
vick.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

v=DMARC1; p=none; rua=mailto:dmarc@productschool.com
v=DMARC1; p=none; rua=mailto:dmarc_agg@auth.returnpath.net,mailto:carlos@productschool.com; ruf=mailto:dmarc_afrf@auth.returnpath.net,mailto:carlos@productschool.com;fo=1
02oaavayqurqnsbw7g49

Verified for

Apple
Atlassian
Google
Meta
Stripe

Email authentication strong

SPF

v=spf1 include:_spf.google.com include:docebosaas.com include:mail.zendesk.com include:_spf.mailersend.net ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@productschool.com; ruf=mailto:forensic@productschool.com;

policy: quarantine

DKIM

Show 4 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg9SzahrAoO3WnWUccy3kl+EcxDnv+lzsSfcXZeRRJgSYOZF5QnlQ+2sHNQPoGjr3+6rlWNzc8zeWjN…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp/aISZDSXlQRDV6iW7APXyIIXTuZ1BkaDPwb4mgxLTFohBu6o3/xOmt8QmvswfGWg+vHpYCRF/WX11gLhC…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIGS4ZeVaFm/hhHzM5LfyRrAKhQQ1JoCafaC1vXfAx5NMoAJuwVlA4TadekZHTcm9/2y3ngUb9/SN5oJoHEFuHg5…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

R12

from 2026-04-20 to 2026-07-19

Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://productschool.com/

present

strict-transport-security
content-security-policy

findings

missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

content-security-policy: frame-ancestors 'self' https://app.contentful.com
strict-transport-security: max-age=63072000