Exemplos

% nslookup

Default Server:  obelix.unicamp.br
Address:  143.106.10.11

> acme.com
Server:  obelix.unicamp.br
Address:  143.106.10.11

Name:    acme.com
Address:  206.86.3.110

> set type=ptr
> 206.86.3.110
Server:  obelix.unicamp.br
Address:  143.106.10.11

110.3.86.206.in-addr.arpa       host name = jef.vip.best.com
3.86.206.IN-ADDR.ARPA   nameserver = ns1.best.com
3.86.206.IN-ADDR.ARPA   nameserver = ns2.best.com
3.86.206.IN-ADDR.ARPA   nameserver = ns3.best.com
ns1.best.com    inet address = 206.86.8.69
ns2.best.com    inet address = 206.86.0.21
ns3.best.com    inet address = 204.156.128.1

> seq=mx
> acme.com
Server:  obelix.unicamp.br
Address:  143.106.10.11

acme.com        preference = 20, mail exchanger = mail3.best.com
acme.com        preference = 20, mail exchanger = mail4.best.com
acme.com        preference = 10, mail exchanger = mail1.best.com
acme.com        preference = 10, mail exchanger = mail2.best.com
acme.com        nameserver = ns.best.com
mail3.best.com  inet address = 206.86.0.21
mail4.best.com  inet address = 206.86.8.69
mail1.best.com  inet address = 206.86.8.14
mail2.best.com  inet address = 206.86.8.14
ns.best.com     inet address = 206.86.8.69

> set q=any
> acme.com
Server:  obelix.unicamp.br
Address:  143.106.10.11

Non-authoritative answer:
acme.com  nameserver = NS.BEST.COM
acme.com  nameserver = NS2.BEST.COM
acme.com  nameserver = NS3.BEST.COM
acme.com  inet address = 206.86.3.110
acme.com  preference = 20, mail exchanger = mail3.best.com
acme.com  preference = 20, mail exchanger = mail4.best.com
acme.com  preference = 10, mail exchanger = mail1.best.com
acme.com  preference = 10, mail exchanger = mail2.best.com

Authoritative answers can be found from:
acme.COM        nameserver = NS.BEST.COM
acme.COM        nameserver = NS2.BEST.COM
acme.COM        nameserver = NS3.BEST.COM
NS.BEST.COM     inet address = 204.156.128.1
NS.BEST.COM     inet address = 206.86.8.69
NS2.BEST.COM    inet address = 206.86.0.21
NS3.BEST.COM    inet address = 204.156.128.20
NS3.BEST.COM    inet address = 204.156.128.1
mail3.best.com  inet address = 206.86.0.21
mail4.best.com  inet address = 206.86.8.69
mail1.best.com  inet address = 206.86.8.14
mail2.best.com  inet address = 206.86.8.14

> set q=soa
> acme.com
Server:  obelix.unicamp.br
Address:  143.106.10.11

acme.com  origin = ns.best.com
   mail addr = root.best.com
   serial=5, refresh=43200, retry=600, expire=604800, min=259200

>