SYNTAX

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, etc. 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 (ex. A,ANY,CNAME,MX,NS,PTR,SOA,SRV) querytype=X same as type class=X set query class (ex. 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 (e.g. A,CNAME,MX,NS,PTR etc.)
view FILE	sort an 'ls' output file and view it with pg
exit	exit the program

EXAMPLES

C:\>nslookup computerhope.com
Server: ns.computerhope.com
Address: 1.1.1.1

Name: computerhope.com
Address: 204.228.150.3

( from: http://www.computerhope.com/nslookup.htm )