This is included at no cost.
Often referred to as REGISTRAR-LOCK, the Domain Locking service sets your domain name registered with us to LOCKED status to prevent your domain name from being updated or transferred without you first unlocking your domain from within your account. Your domain can still be renewed and will be included in the zone.
Once your domain is registered and active in our system, you will see this setting available in your domain name settings screen (if Domain Locking is available for your domain name). To lock or unlock your domain, log in to your account and select your domain name(s) from the list. Click the "Enabled" button on the menu, choose your options, confirm your changes and you are all set!
There are two Domain Locking settings to choose from:
While safeguarding against unauthorized or accidental updates or transfer out to your domain, you can get superior registrar/registry level security when combined with with Portfolio Secure.