Once you are logged in, go to the Domain List and find the domain name that you would like to enable PremiumDNS for.
Domains with an attached PremiumDNS subscription have a diamond icon next to them:
Click on the Manage button next to the domain:
To enable PremiumDNS protection, use the toggle button Protection:
If you switch the status of the subscription to On, the nameservers will be updated automatically to Namecheap PremiumDNS:
The corresponding message will notify you that it usually takes 48 hours for the DNS changes to be accepted globally.
To disable PremiumDNS protection, just toggle the button on the left to Off. In this case, the nameservers are automatically changed to the default ones - BasicDNS(the host records created with the PremiumDNS system are kept):
If you have any questions, feel free to contact our Support Team.