NS Lookup Usage > Query for the mail exchanger data

nslookup [-option] [hostname] [server]
				
Commands:   (identifiers are shown in uppercase, [] means optional)

 NAME            - print info about the host/domain NAME using default 
                   server
 NAME1 NAME2     - as above, but use NAME2 as server
 help or ?       - print info on common commands
 set OPTION      - set an option

    all                 - print options, current server and host
    [no]debug           - print debugging information
    [no]d2              - print exhaustive debugging information
    [no]defname         - append domain name to each query
    [no]recurse         - ask for recursive answer to query
    [no]search          - use domain search list
    [no]vc              - always use a virtual circuit
    domain=NAME         - set default domain name to NAME
    srchlist=N1[/N2/.../N6] - set domain to N1 and search list to N1, N2, 
                          and so on
    root=NAME           - set root server to NAME
    retry=X             - set number of retries to X
    timeout=X           - set initial time-out interval to X seconds
    type=X              - set query type (for example, A, ANY, CNAME, MX, 
                          NS, PTR, SOA, SRV)
    querytype=X         - same as type
    class=X             - set query class (for example, IN (Internet), ANY)
    [no]msxfr           - use MS fast zone transfer
    ixfrver=X           - current version to use in IXFR transfer request

 server NAME     - set default server to NAME, using current default server
 lserver NAME    - set default server to NAME, using initial server
 finger [USER]   - finger the optional NAME at the current default host
 root            - set current default server to the root
 ls [opt] DOMAIN [> FILE] - list addresses in DOMAIN (optional: output to 
                  FILE)

    -a          -  list canonical names and aliases
    -d          -  list all records
    -t TYPE     -  list records of the given type (for example, A, CNAME, 
                   MX, NS, PTR, and so on)

 view FILE       - sort an 'ls' output file and view it with pg
 exit            - exit the program
				
 C:\> nslookup
   Default Server:  ns1.domain.com
   Address:  10.0.0.1

   > set q=mx
   > mailhost
   Server:  ns1.domain.com
   Address:  10.0.0.1

   mailhost.domain.com     MX preference = 0, mail exchanger =
                           mailhost.domain.com
   mailhost.domain.com     internet address = 10.0.0.5
   >
				
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