nslookup [-option...] [
host_to_find| - [
Queries Internet domain name servers.
two modes: interactive and noninteractive. Interactive mode allows
the user to query name servers for information about various hosts
and domains or to print a list of hosts in a domain. Interactive mode
is entered when either no arguments are provided (the default name
server will be used) or the first argument is a hyphen and the second
argument is the hostname or Internet address of a name server.
Noninteractive mode is used to print just the name and requested
information for a host or domain. It is used when the name of the
host to be looked up is given as the first argument. Any of the
keyword=value pairs listed
under the interactive
set command can be used as
an option on the command line by prefacing the keyword with a -. The
optional second argument specifies a name server.
All of the options under the
command can be entered on the command line, with the syntax
Connect to finger server on current host, optionally creating or appending to filename.
Print a brief summary of commands.
Look up information for host using the current default server or using server if specified.
List information available for domain, optionally creating or appending to filename. The ...