Domain names are composed of at least two levels, a top-level domain and a second-level domain.
The top-level domain, also referred to as TLD, is the suffix or extension attached to Internet domain names.
What are the 5 top level domains?
IANA distinguishes the following groups of top-level domains:
- infrastructure top-level domain (ARPA)
- generic top-level domains (gTLD)
- generic-restricted top-level domains (grTLD)
- sponsored top-level domains (sTLD)
- country code top-level domains (ccTLD)
- test top-level domains (tTLD)
What is Top Level Domain and second level domain?
A second-level domain (SLD) is the section of a domain name that is to the left of the dot, while a top-level domain (TLD) is the section to the right of the dot, also known as the domain extension. For example, our domain name is dynadot.com, with “dynadot” being our SLD and “.com” being our TLD.
What are all the domain suffixes?
Common United States Domain Suffixes
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How many levels can a domain name have what are generic top level domains?
During the growth of the Internet, it became desirable to create additional generic top-level domains. As of October 2009, 21 generic top-level domains and 250 two-letter country-code top-level domains existed. In addition, the ARPA domain serves technical purposes in the infrastructure of the Domain Name System.