How to set up DNS for a subdomain?

Question

Domain Name System

Hello.
There is an example.com domain, set the shop.example.com domain
How to make DNS records different from the main domain?

I want to set the following DNS:
ns1.w123.com
ns2.w123.com
ns3.w1231.org
ns4.123t1.org
DNS specially set random ones so that they would not be considered as advertising

Answer 1

In the menu - add an A entry, specify the subdomain and IP address

Answer 2

Go to Google, fill in the query "dns subdomain delegation", read and do.

Answer 3

where you delegated the domain there should be a DNS zone editor in it create
shop A 1.11.111.1 3600