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Internet has now become a by-default part of every human being on Earth. In this digital age, wherein everything is almost possible, the Internet has been a major player in the sharing of information and discovery of new things which humans have never imagined being possible before. As what many people say everything can be found in the internet from the latest fashion trends to the most top secret information about a certain company, individual or country. It has even become a cyber lingo if one tries to find or research something Just Google it. Hence, it is but only wise for someone to know how Internet basically runs in the endless boundary of the cyber world.
The basic source for Internet (or International Networking) is through a domain. A domain is the gateway for any websites that wish to be launched in the Internet. Based on the domain name system, the Internet is being controlled by an administrative authority that defines its territory. This is done through a domain name. The domain name is divided into subordinate domains - first level is the top-level domains followed by the second and third levels of domain.
First level Domain Name
The first level domain name is also called the top level domains (TLDs) which include gTLDs (generic top level domains) famous for which are the com, org, and net. The TLDs also include the ccTLDs (country code top level domains).
The top level domain is considered in the cyber world as the highest level of domain authority in the Internet as it consists primarily of the DNS root zone of the entire domain name system hierarchy. If one can observe it, every domain name has a top level domain name at the end e.g. www.yahoo.com; www.mozilla.org. Accordingly, during the creation of domain names in 1980s, top level domain names consisted primarily on the categories of names or organizations such as org, int, gov. As time progressed and the Internet world has become the cradle of information demands from all over the world, the domain name space has widened; hence, the creation of more top level domain names. As of 2009, there are already more than ten top level domain names and more than 200 country code top level domain names.
Second and Third Levels Domain Names
Below the top level domain name is the second and third levels. These domain names are normally for reservation purposes. There are end users that want to get into the connection of the internets local area networks. Usually, these end-users want to run their own web sites and are willing to pay the domain name registrars for domain name.
The abovementioned information about Internet and domain name system is just tidbits of what the Internet world is comprised with. There are still many things that need to know about the Internet and how the process of such a connectivity occurs. As of now, it is nice to know that one has already the basic information about how someone can get hook into the connectivity of the cyber world and that this started in the knowledge about Internet domain.