There are many domains linked to one server. How to make unique IP for each domain?

Question

Computer networks

There is a main server with Keitaro installed There are many
sites on it, each with its own domain lead to the same. But the problem is that the main server can be burned . How can I make sure that each of these domains (say, there are 20 of them, later there may be more) is available under its own IP, in order not to burn the main server?

Answer 1

cloudflare

Answer 2

1. It is necessary to make a SERVER on the host sites! forwarding all requests to the IP of the main server.
2. And in the DNS of the domain, in the A-record, register the IP address of the host site.

Answer 3

buy 20 ip and hang on the server?
or buy another server, hang 20 IPs on it, and set up proxying for sites
, or use cloudflare