TDL stands for Top Level Domain.

Every domain has four parts in it’s name.
1. http:// or https:// Protocol to access the port
2. www – (World Wide Web) root folder to deliver content on server.
3. tinywall – domain name
4. .tld – Top Level Domains

On the Internet, your address is your domain name; the part of an Internet address that comes after the www. With the unparalleled growth of the Internet, dot com domain names continue to sell like hotcakes. Currently, there are more than 80 million dot com domains, and over 100 million total domains registered worldwide. Industry experts forecast that more than 500 million domains will be registered in the next ten years. So, countries come forward to own their TLD. Mostly every country has it’s own TLD now.

In order to find the details about any country TLD make use of www.tld.io

Link : www.TLD.io