TCPIP$NSLOOKUP_HELP.HLB  —  About nslookup
    nslookup is a tool to interactively query domain name servers
    (BIND servers).

    Note:  Commands are recognized only in all lowercase or UPPERCASE,
           not mIxEd case.

           Unrecognized commands are treated as host query requests.

    FORMAT:
     help  or  ?
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