DNSControl’s CSC Global provider supports being a Registrar. Support for being a DNS Provider is not included, although CSC Global’s API does provide for this so it could be implemented in the future.
creds.json file, you must provide your API key and user/client token. You can optionally provide an comma separated list of email addresses to have CSC Global send updates to.
example.tld and delegated to Route53:
To get access to the CSC Global API contact your account manager.