This material presents similarities and differences for the two separate versions (TSO and z/OS® UNIX shell) of the nslookup command. The following tables present the start options and subcommands used by each version. The only version of nslookup that supports IPv6 addresses and resource record types is nslookup that is invoked from the z/OS UNIX shell.
| Start option | TSO NSLOOKUP | nslookup in the z/OS UNIX shell |
|---|---|---|
| -all | Yes | Yes |
| -class | Yes | Yes |
| -cl (short for -class) | Yes | Yes |
| -diffstamp | No | No |
| -d2 | Yes | Yes |
| -nod2 | Yes | Yes |
| -debug | Yes | Yes |
| -deb (short for -debug) | Yes | Yes |
| -nodebug | Yes | Yes |
| -nodeb (short for -nodebug) | Yes | Yes |
| -defname | Yes | Yes |
| -def (short for -defname) | Yes | Yes |
| -nodefname | Yes | Yes |
| -nodef (short for -nodefname) | Yes | Yes |
| -domain= | Yes | Yes |
| -do= (short for -domain=) | Yes | Yes |
| -help | No | No |
| -h | No | Yes |
| -ignoretc | Yes | No |
| -ig (short for -ignoretc) | Yes | No |
| -noignoretc | Yes | No |
| -noig (short for -noignoretc) | Yes | No |
| -port= | Yes | Yes |
| -po= (short for -port=) | Yes | Yes |
| -querytype= | Yes | Yes |
| -q= (short for -querytype) | Yes | No |
| -type= (short for -querytype=) | Yes | Yes |
| -ty= (short for -querytype=) | No | Yes |
| -query= (short for -querytype= | No | Yes |
| -qu= (short for -querytype=) | No | Yes |
| -recurse | Yes | Yes |
| -rec (short for -recurse) | Yes | Yes |
| -norecurse | Yes | Yes |
| -norec (short for -norecurse) | Yes | Yes |
| -retry= | Yes | Yes |
| -ret= (short for -retry=) | Yes | Yes |
| -root= | Yes | No |
| -search | Yes | Yes |
| -sea (short for -search) | Yes | Yes |
| -nosearch | Yes | Yes |
| -nosea (short for -nosearch) | Yes | Yes |
| -srchlist= | Yes | No |
| -srchl= (short for -searchlist=) | Yes | No |
| -timeout= | Yes | Yes |
| -t= (short for -timeout=) | Yes | Yes |
| -tstamp | No | No |
| -nostamp | No | No |
| -sil | No | Yes |
| -vc | Yes | Yes |
| -novc | Yes | Yes |
| -V= | No | Yes |