Separate server for subdomain?

Question

Domain Name System

1) How many subdomains can I create based on the purchased domain? I understand that for different dealers, this number may vary, but among the most popular? Can I create an infinite number of subdomains?
2) Can I bind an ip address to the main domain, and other addresses to subdomains?

Answer 1

1. Many, often unlimited
2. yes

Answer 2

1. You can configure dns so that it works like this: *.wsthever.example.org, and what's in * - understand the application or nginx config