These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
Unfortunately subdomain delegation is not possible from our DNS system. While it can host a record for a subdomain delegated from another DNS server it is not currently possible to create an NS record to delegate a subdomain pointed to our nameservers to another server.
The developer cloud
Scale up as you grow — whether you're running one virtual machine or ten thousand.
From GPU-powered inference and Kubernetes to managed databases and storage, get everything you need to build, scale, and deploy intelligent applications.