How to create your own domain in ispmanager?

Question

Domain Name System

I studied the answers from Google, but there are examples of installation through the hosting where the service was purchased everywhere.
I have a clean vds with network settings i.e. dns, gw, ip.
Question: ispmanager allows you to create any domain name that will be available or do I need to rent it from other services and add it to ispmanager by adding ns-servers? The essence of the question is whether it is possible to have your own domain there, independent of other services, where you can rent a domain.

Answer 1

You don't have to study Google. but the documentation .
If it does not work out, it is better to contact a specialist. There's a whole course on the basics here.

Answer 2

I will explain in a simple way, experts, please do not find fault.
There is the Internet Corporation for Assigned Names and Numbers (ICANN) - an organization that manages all IP addresses and domains. It gives permission to open each domain zone.
Each domain zone has its own registry (administrator) - it keeps the registry of its zone, the root directory and accredits registrars who sell domains of this zone themselves or through their partners. Domain registration is possible only through them.
Now the reverse side. You send an email or open a page in a browser. In this case, you need to find out, in the first case, on which servers the mail of the desired domain is located, in the second, on which IP address the site is located. The request goes first to the root directory of the zone to find out which DNS servers contain the DNS records of the desired domain (just NS records), and only then this DNS server answers which A or MX records for this domain.
Therefore, you cannot get your own domain without a registrar. You need to purchase it in accordance with the rules of this zone.