Someone could be sending emails as your business right now.

We scan your domain, show you exactly what's exposed, and walk you through fixing it. No technical knowledge required.

Check My Domain Free

How It Works

1

Enter your domain

Type your business domain. No account needed to run a free scan.

2

See what's exposed

We check your email protection settings and show you exactly where you're vulnerable — in plain English.

3

Fix it with guidance

Follow our step-by-step instructions or let Shield handle monitoring and alerts for you automatically.

Simple, honest pricing

Both plans include up to 3 domains. No contracts.

Sentinel
Free

24/7 alerts if your email protection settings change or break.

  • Domain scan & health report
  • Plain-English results
  • Alerts when settings break
  • Up to 3 domains
Start Free

Built for businesses without IT teams

90+ years of combined technology experience, focused entirely on making enterprise-grade email protection accessible to every small business. If you can send an email, you can use AntiSpoofer.