The final segment of a domain name, located to the right of the last dot. It is part of the Domain Name System (DNS) hierarchy and classifies domains by purpose, location, or type. For example, in the domain name martech.zone, the TLD is zone and martech is the SLD (Second-Level Domain). The Internet Assigned Numbers Authority (IANA) manages TLDs, which are categorized into different types.
Types of TLDs
TLDs are divided into three main categories:
- Generic TLDs (gTLDs): Commonly used TLDs like .com, .org, .net, and newer ones like .tech or .zone.
- Country Code TLDs (ccTLDs): Specific to countries or regions, such as .uk (United Kingdom), .de (Germany), or .jp (Japan).
- Sponsored TLDs (sTLDs): Restricted to specific communities or purposes, such as .edu (educational institutions) or .gov (U.S. government entities).
Usage
TLDs are often chosen based on the nature of the website, target audience, or location. Newer gTLDs allow for creative branding opportunities, such as .shop, .online, or .blog.
Related Terms
- Domain Name: The complete web address, including both the SLD and TLD.
- SLD (Second-Level Domain): The portion of the domain to the left of the TLD (e.g., "example" in example.com).
- Subdomain: An additional prefix added to a domain name (e.g., "store" in store.example.com).
