Top Level Domain Name Definition. Dot zero level domain 2. Stld sponsored top level domains.
The short top level domain definition. A tld top level domain is the highest level of domain names in the root zone of the dns of the internet. Cctld country code top level domains.
Officially called a generic top level domain gtld it is also known as a domain suffix or domain extension because the designation is added to the end of the domain name.
That is this is the category with common options. For all domains in lower levels it is the last part of the domain name that is the label that follows the last dot of a fully qualified domain name. In fact a zero level domain is dot and the correct order of domain levels numbering is as follows. Stld sponsored top level domains.