How to create a domain for a subdomain of another domain?

Question

Domain Name System

Hello.
The task is as follows:
There is a subdomain: poddomen.domen.com
And the domain drugoydomen.com It is
necessary that when you go to drugoydomen.com, poddomen.domen.com is displayed (without a redirect)
How to do this?
DNS of all domains and the domains themselves - all on one vps.

Answer 1

make them one documentroot

Answer 2

This can be done in "Domain Names" using the CNAME record :
NAME : drugoydomen.com.
TYPE: CNAME
ADDRESS: poddomen.domen.com.
Notice the dots at the end.