ATC Manager requires a DNS service that has APIs in order to programmatically
modify the host entries used for the cluster, and that supports low TTL settings
for the DNS host entries. The Route 53
and SoftLayer DNS services meet both of these
requirements.
If you already have a domain: Register your
domain with the DNS service, following the
instructions for that service.
If you want to purchase and register a domain with the same
service: