First a domain name and address must be registered, using domain registrar. Once you have the name and address the server can be configured, connecting the server to the registrars name server, effectively publishing the address to the internet.
ICANN, or the Internet Corporation for Assigned Names and Numbers is the governing body for domain name registrations. Although they are the governing body, they do not "assign" domain names, but rather monitor and manage domain name registrars (i.e. GoDaddy, eNom, NetworkSolutions, etc.) where individuals (and businesses) can purchase domain names. To resolve to an active internet address, domain names are assigned to an IP address via a web host or domain name registrar.
ICANN is responsible for the regulation of domain names.
Domain name servers or systems converts the domain names entered by the users on web browsers into Ip addresses.
The purpose of domain name registrars is to manage domain names on the internet. The registrar enters a domain name into shared registration system which is supervised by Internet Corporation for Assigned Names and Numbers. Go Daddy is the largest registrar at this time.
ICANN - Internet Corporation for Assigned Names and Numbers
Flexible Single Master Operations servers. They are servers that every Active Directory needs that serve a single purpose. Here are the FSMO servers: Schema Master Domain Naming Master Infrastructure Master Relative ID Master PDC Emulator Those are the five FSMO server rolls that get assigned to 1 or more domain controllers in each domain. Schema and Domain Naming Master will have only 1 server per AD Forest.
The Internet Corporation for Assigned Names and Numbers (ICANN) manages the top level development and the architecture of the Internet Domain Space. ICANN authorizes domain name registrars, which registers and reassigns domain names.
Domain names are managed under a hierarchy headed by the Internet Assigned Numbers Authority (IANA),
A name server is the server component of the Domain Name System (DNS). DNS is one of the two main name spaces on the internet. The most important functions of these DNS servers is translating domain names and host names into corresponding numeric IP addresses.
The purpose of domain name registrars is to manage domain names on the internet. The registrar enters a domain name into shared registration system which is supervised by Internet Corporation for Assigned Names and Numbers. Go Daddy is the largest registrar at this time.
Virtual domain hosting is a way of hosting multiple domain names on a single server or a single pool of servers. This term is usually referred to when speaking about web servers, but its principles may be used in other internet services as well.
The bridgehead server is a domain controller that has been either administratively assigned or automatically chosen to replicate changes collected from other domain controllers in the site to bridgehead servers in other sites.