In the case of using a domain name, in web address (URL), email address, or wherever, it ends in a “top-level domain” or “TLD”. This is the last part of a name. The TLD often ends in .COM, .ORG, .NET, etc., as in:
TLDs are broadly classified into two categories:
A second level domain is the second part of a domain name that can be seen to the left of TLD. The second level domain can be determined easily as it remains separated by a dot. In these types of domains you can register with a registrar. Some examples are:
The next part of the domain name to the left (“www” in the first two examples above) would be called the “third-level domain”, and so on.
gTLD is the other name of Generic top-level domains. These are other distinctive forms of TLDs which are not specified to a particular country and thus, are generic for everyone on the web. The common examples of TLDs are .MIL, .COM, .NET, .ORG, .GOV, and many. There are two rounds of extensions in every gTLD that helps to bring the total number to 22 before the “newgTLD” extension is underway.
ccTLDs or country code top-level domains are two lettered simple TLDs which can be assigned to various countries A few nations work their ccTLD only for various kinds of areas inside the nation. Some even don’t enable individuals to enlist with regards to second-level spaces under the TLD. Rather expects individuals to enlist third-level spaces under a solitary area of a few diverse second-level areas. Numerous ccTLDs have decided not to confine the entrance to individuals in their nation and have in actuality advertised a similar space broadly to empower everybody for utilizing.
After numerous long periods of talk, ICANN’s board permitted the formation of new conventional TLDs with the utilization of any content string (and in different character sets) and started the newgTLD program. These newgTLDs are presently taken off in various stages and in this manner; individuals can enlist second-level spaces under various areas. Once a day, newgTLDs are being made accessible to the world – and the development will proceed for a long time and years. At a specialized dimension, “new gTLDs” are successfully like gTLDs and the assignment demonstrates that these new gTLDs are turning out in new age.