anchor.diff:  
   all() -> 
       [basic, resolve, edns0, txt_record, files_monitor,
  +     last_ms_answer,
        gethostbyaddr, gethostbyaddr_v6, gethostbyname,
        gethostbyname_v6, getaddr, getaddr_v6, ipv4_to_ipv6,
        host_and_addr].
  
positive.code: 	    ok
      end.
  
  %%
  %% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  
negative.code:     {ok,Msg1} = inet_dns:decode(Bin1),
      %%
      %% resolve
      {ok,Msg2} = inet_res:resolve(Name, in, a, [{nameservers,[NS]},verbose]),
      io:format("~p~n", [Msg2]),
      [RR2] = inet_dns:msg(Msg2, anlist),
      IP = inet_dns:rr(RR2, data),
  