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Top Level Domain

TL;DR

A Top Level Domain is the part of a domain that comes after the final dot.

About Top Level Domain

The Top Level Domain represents the couple of letters that can be found after the final dot of a web address. The acronym for Top Level Domain is TDL. A Top Level Domain can help users to recognize the website associated with the web address, the area the company originates or the purpose of the organization.

Types of Top Level Domain

Top Level Domain is classified into some categories. 

The first one is Generic Top Level Domain (gTLD) and it includes all domains that are not associated with a country (for example: .com, .org, .net). 

The second type is Country-Code Top Level Domains (ccTLD) and it contains all domains that are identified with a geographical location (for example: .de, .dk, .nl). Internationalized country code top-level domains (IDN ccTLD) represents a subcategory of ccTLD and refers to non-Latin character sets. 

Another type is the Sponsored Top Level Domain. These domains are developed and funded by private agencies or associations which set and implement rules that limit eligibility to use the TLD.

The Infrastructure Top Level Domain represents another category of Top Level Domains (with one domain: the Address and Routing Parameter Area). It is managed by Internet Assigned Numbers Authority on behalf of the Internet Engineering Task Force.

Another category used when we talk about Top Level Domain is Test Top Level Domains (tTLD). These domains were installed under .test for testing purposes in the Internationalized Domain Name development process.

How can a Top Level Domain be registered? 

In order to register a domain name with the Internet Corporation for Assigned Names and Numbers (ICANN), it must be done so through a registrar, such as Domain.com. Firstly, it should be checked if the domain name and domain extension is available through domain search. 

Secondly, some information should be submitted when registering. The information is represented by the domain name, the top-level domain extension, contact info and billing info.