THE ACTUAL MEANING OF DOMAIN NAME

WHAT IS DOMAIN NAME?:

A domain name is an identification string that defines a control, autonomy and authority on the internet.they

are formed by the DNS(Domain name System) through there rules and regulation. Any name registered in the DNS is a domain name. They are used in various networking contexts and addressing purposes. Usually it represents the an IP(internet protocol) resource. (FQDN) a Fully Qualified Domain Name that is completely specified in the ranking of the DNS. Domain name, usually they are written in lower case and they are case-insensitive.

PURPOSE OF DOMAIN:

Specially domain names represents a internet protocol (IP) resource. Domain names are used as simple identification labels to indicate the control of a resource. The most important function of Domain name is to provide easy identification names to difficult addressed internet resource. Usually domain names are used to establish separate identity. Administration can choose a domain name that agree with their name. Generic domain name grow popularity.
the use of domain names may subject website to trademark law. In 2010 the number of active domain reached to 196 million.

DOMAIN LEVEL:

There are two level of Domain,

1. Top-levels Domain
2. Second-level and lower level Domains 

TOP-LEVELS DOMAIN:

com,net and org are the excessive level of Domain names of the internet.when the domain name was think up in the 1980s, the domain name was separated into two main category of Domain. 1st one is the country code top-level domains (ccTLD) which were based on area key of ISO-3166 country contraction. The 2nd

domain name

category of Domains is generic top-level domains which represents a set of categories of names and multi-organizations such as gov,edu,com,org,net e.t.c on 21st October 2009, 21 generic top-level domains and 250 country code top-level domains survive.

SECOND-LEVEL AND LOWER LEVEL DOMAIN:

After the top level domain in the domain name ranking are the second-level domains (SLD).example of second level domains are .co , .uk e.t.c. 

AFTERMARKET OF DOMAIN NAMES:

There are most of the million dollars domain deal are carried out secretly and go unreported.the most expensive domain name on sale were,

• Insure.com $16 million in 2009
• Fund.com 9.99 million pound in 2008
• Fb.com for $8.5 million in November 2010

DOMAIN NAME INCERTITUDE:

As it is mentioned upper that Domain names are not case sensitive, and some may be misunderstand in certain use of capitalization like Expertexchange.com  a programmers discussion site for a very long time used expertsexchange.com but in the end they change the name experts-exchange.com