To enable privacy protection for your domain:

1. Log in to your Zoho Domains account and navigate to the "My Domains" page.
2. To begin managing the DNS records for a specific domain, navigate to the My Domains page and click Manage next to the domain you wish to configure.
3. On the management page, locate the option to enable privacy protection for your domain. Click the Enable button to enable Privacy Protection for your domain, if the respective domain registries support the redaction of WHOIS information. 

Once privacy protection is enabled, all contact information associated with the domain will be displayed in the WHOIS database

Please refer to the image below: