View larger image. The Texas state flag is the 1839 national flag of the Republic of Texas. The state flag is a rectangle that has a width to length ratio of two to three.
For other uses, see TLD (disambiguation) . A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet. The top-level domain names are installed in the root zone of the name space.For all domains in lower levels, it is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is com.or all domains in lower levels, it is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is com.
In our Internet address, http://whatis.techtarget.com: com is the top-level domain name; techtarget.com is the second-level domain name; and whatis is a subdomain name.All together, these constitute a fully-qualified domain name (FQDN); the addition of HTTP:// makes an FQDN a complete URL.CANN identifies the following categories of TLDs: 1  Country-code top-level domains (ccTLD) -- Each ccTLD identifies a particular country and is two letters long. 2  The ccTLD for the United States, for example, is .us.