Free security check for your business
Find out if someone could send email as you, whether your address is in a known breach, and what’s weak on your website. It takes about a minute.
What the check covers
- Whether someone could send email as your business (SPF, DKIM and DMARC).
- Breaches
- Whether your email address turns up in a known data breach.
- Website
- Your certificate, HTTPS, security headers and out-of-date software.
- Domain
- DNS settings, and old subdomains a stranger could take over.
- Exposure
- A few files and ports that should never be public.
The check only looks at what anyone on the internet can already see. It doesn’t log in to anything or change your site.