On the following pages, I will try to describe the way DNS, Domains and IP adresses, is in control, then it comes to controlling the net. I will also try to describe how to configurate a DNS sever, please note this can vary from system to system. I try to lean to the BIND distibution on a unix host.
Most hosts have a name, as well, since host names are easier to remember than host addresses.
Internet host names use a hierarchical address structure comprising a top-level domain, subdomain, and host name. Domain administrators are responsible for host name and address assignment within their domain. You can buy it here. Copyright 1998 Tech-nic.dk. The manual online in HTML format.