Domain name is hostnames which are for the numeric IP addresses which are used to identify computer/s.
Domain names are used to identify webpages in the URL's.
For example a URL is http://www.bbsnetting.com
The Domain name is www.bbsnetting.com
All domain names got a suffix which will indicate to which Top Level Domain that particular domain is belonging as
.COM - Commercial
.EDU - Educational Institutes
.ORG - Organizations
.INFO - Informations
.AERO - Air Transport
.BIZ - Businesses
.COOP - Cooperative businesses (e.g. credit unions)
.GOV - Government
.INT - International organizations by treaty
.MIL - Military
.MUSEUM - Museums
.NAME - Individuals and families
.NET - Networks and ISPs but used generally
.PRO - Licensed Professionals (e.g. accountants, lawyers, doctors)
.LK - Sri lanka
and so there are many more to come.
Internet Corporation for Assigned Names and Numbers ( ICANN ) has the over all control over the Domain name System (DNS).
ICANN controls the root domain and allows a government of a country of TLD in the country domain to regulate it how to deliver or allocate. Other generic top level domains are governed directly by the ICANN. It will look after all the rules and regulations of this TLD.
Domain registers are selling them as agents under ICANN.
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