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 <TITLE>Tool 102: Query a DNS server</TITLE>
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  <CENTER>   <H3>Tool 102: Query a DNS server</H3>
  </CENTER>
  <P><H3>Description:</H3>
   <PRE>
  This tool queries a DNS server. For example, it can retrieve IP
  address associated to a hostname.
  Parameter --dst-ip defines the DNS server address. This server has to
  be authoritative for the query requested (or allow recursion, if
  --recurdesired is set).
  Parameter --name contains the name to query.
  Parameter --type indicates the requested information type.
  
  Example: 'netwox 102 server --name www.example.com --type a'
  Example: 'netwox 102 server --name 1.2.3.4 --type ptr'
  Example: 'netwox 102 server --name example.com --type mx'
  
  Parameter --tcp uses TCP instead of UDP. This is generally not
  allowed.
  
  Parameter --dst-ip is the address of remote host/server.
  Parameter --dst-port is the port number where to connect.
  Optional parameter --src-ip defines the local IP address to use.
  Optional parameter --src-port defines the local port number to use.
  Optional parameter --ip4opts permits to add IP4 options encoded as
  mixed.
  Optional parameter --ip6exts permits to add IP6 options encoded as
  mixed (first byte is the next header number).
  Optional parameters --device, --src-eth and --dst-eth permits to
  create a virtual client using fake addresses (in this case, tool have
  to be run with admin privilege in order to sniff and spoof at
  Ethernet level).
   </PRE>
  <P><H3>Synonyms:</H3>
    dig, nslookup<BR>
  <P><H3>Usage:</H3>
    netwox 102 -i ip -n hostname -y data [-d device] [-E eth] [-e eth] [-I ip] [-P port] [-p port] [-o ip4opts] [-O ip6exts] [-c data] [-u|+u] [-C|+C] [-T uint32]<BR>
  <P><H3>Parameters:</H3>
<TABLE BORDER=1 CELLPADDING=4>
 <TR>
  <TD ALIGN=middle><I>parameter</I></TD>
  <TD ALIGN=middle><I>description</I></TD>
  <TD ALIGN=middle><I>example</I></TD>
 </TR>
 <TR><TD><TT>-i|--dst-ip ip</TD>
<TD>destination IP address</TD>
<TD>5.6.7.8</TD></TR>
<TR><TD><TT>-n|--name hostname</TD>
<TD>name to query</TD>
<TD>www.example.com</TD></TR>
<TR><TD><TT>-y|--type data</TD>
<TD>type (a, ptr, ns, etc.)</TD>
<TD>a</TD></TR>
<TR><TD><TT>-d|--device device</TD>
<TD>device name</TD>
<TD>Eth0</TD></TR>
<TR><TD><TT>-E|--src-eth eth</TD>
<TD>source ethernet address</TD>
<TD>0:2:3:4:5:6</TD></TR>
<TR><TD><TT>-e|--dst-eth eth</TD>
<TD>destination ethernet address</TD>
<TD>0:8:9:a:b:c</TD></TR>
<TR><TD><TT>-I|--src-ip ip</TD>
<TD>source IP address</TD>
<TD>192.168.100.6</TD></TR>
<TR><TD><TT>-P|--src-port port</TD>
<TD>source port number</TD>
<TD>0</TD></TR>
<TR><TD><TT>-p|--dst-port port</TD>
<TD>destination port number</TD>
<TD>53</TD></TR>
<TR><TD><TT>-o|--ip4opts ip4opts</TD>
<TD>IPv4 options</TD>
<TD> </TD></TR>
<TR><TD><TT>-O|--ip6exts ip6exts</TD>
<TD>IPv6 extensions</TD>
<TD> </TD></TR>
<TR><TD><TT>-c|--class data</TD>
<TD>class (in, ch, etc.)</TD>
<TD>in</TD></TR>
<TR><TD><TT>-u|--recurdesired|+u|--no-recurdesired</TD>
<TD>recursion desired</TD>
<TD> </TD></TR>
<TR><TD><TT>-C|--tcp|+C|--no-tcp</TD>
<TD>if use TCP instead of UDP</TD>
<TD> </TD></TR>
<TR><TD><TT>-T|--timeout uint32</TD>
<TD>timeout in milliseconds</TD>
<TD>60000 </TD></TR>
</TABLE>
  <P><H3>Examples:</H3>
    netwox 102 -i "5.6.7.8" -n "www.example.com" -y "a"<BR>
<BR>
    netwox 102 --dst-ip "5.6.7.8" --name "www.example.com" --type "a"<BR>
<BR>
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