dig - stands for domain information groper

dig -  a tool in linux to lookup or query DNS server for ip-address/name resolution.

Format:
       dig [@server] [-b address] [-c class] [-f filename] [-k filename] [-p port#] [-q name] [-t type] [-x addr]
           [-y [hmac:]name:key] [-4] [-6] [name] [type] [class] [queryopt...]

       dig [-h]

       dig [global-queryopt...] [query...]

DESCRIPTION
 

• dig (domain information groper) is a flexible tool ... Read more »