It is possible to set per-user defaults for dig via $/.digrc. When no command line arguments or options are given, dig will perform an NS query for "." If no usable server addresses are found, dig will send the query to the Unless it is told to query a specific name server, dig will try each of the servers listed Unlike earlier versions, theīIND 9 implementation of dig allows multiple lookups to be issued from the command line. A brief summary of its command-lineĪrguments and options is printed when the -h option is given. Operation for reading lookup requests from a file. Other lookup tools tend to have less functionality than dig.Īlthough dig is normally used with command-line arguments, it also has a batch mode of Most DNSĪdministrators use dig to troubleshoot DNS problems because of its flexibility, ease of useĪnd clarity of output. It performs DNS lookups andĭisplays the answers that are returned from the name server(s) that were queried. name:key] | ] ĭESCRIPTION dig is a flexible tool for interrogating DNS name servers. The following is copied and pasted from the dig man page. The dig utility is apart of the dnsutils package sudo apt-get install dnsutils -yĪfter it is installed, we can verify that it is working with dig -vįor more information on how to use dig, refer to the following link. It is included in most Linux distributions by default, but if it isn’t you can easily install dig with the following command.
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