Which of the following is NOT a part of the dig syntax?

In the context of the dig (Domain Information Groper) command, which is a network administration command-line tool for querying the Domain Name System (DNS), the options reflect different components that can be associated with its syntax.

The correct choice, which is not a part of the dig syntax, is "destination." When using dig, you typically specify parameters such as the server to query against (the "server" option), the domain name you’re interested in (this is the "name" option), and the type of DNS record you want to retrieve (the "type" option, such as A, AAAA, MX, etc.).

"Destination" does not fit within the standard framework of how dig is utilized, making it an outlier compared to the other terms listed. Each of the other options refers to critical components required to formulate a proper dig command, focusing on directing the query and specifying the desired information about a domain, which is fundamental in DNS queries and troubleshooting network issues.