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What are second-level and top-level domains?

April 26, 2017domains second-level top-level

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What are second-level and top-level domains?

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A top-level domain (TLD) is the domain suffix to the right of the dot (.), such as COM, ORG, NET, etc. In addition to the generic TLDs, there are over 200 two-letter country-code TLDs, such as .US and .CA, and some special TLDs, such as .EDU, .GOV and .MIL. The second-level domain (SLD) is the part of the domain to the left of this dot. For instance, the domain netwiz.net has the TLD net and the SLD netwiz.