# Prohibited Domains
# About
This tool prevents users from creating sites and subdomains identical to the domain names of popular brands and companies.
For example, adding testing.com to prohibited domains will also prevent: blog.testing.com being added by a user.
Domains blocked by default:
- gmail.com
- outlook.com
- facebook.com
- twitter.com
- yahoo.co.uk
- hotmail.com
- apple.com
- icloud.com
- live.com
- mailchannels.com
- aol.com
- comcast.com
- yahoo.com
- google.com
# Configure Prohibited Domains
To add additional Prohibited Domains:
- Open Settings in the left sidebar
- Select Platform
- Navigate to Prohibited domains
- Input the domains you would like to add
TIP
Enter each prohibited domain on a new line.
- Click Save to finish