Maximum resource counts

Domains: 1000 per account. More on request.

Hosts: No formal limit. Contact support if planning to add over 1000 per domain.

Nameserver sets: 12 per account.

Nameservers: 8 per nameserver set; 24 total per account.

Nameserver instances: Default provisioning is 1 per nameserver. Contact support for 2 or more.

DNS queries per instance: Dependent on domain configuration, features in use, and daily distribution of traffic. Usually at least 100 million/month.

API calls: 2000/hour.