Listing 2. Output with nslookup
nslookup
Default Server: server.randomisp.com
Address: 172.16.53.130
> set all
Default Server: server.randomisp.com
Address: 172.16.53.130
Set options:
nodebug defname search recurse
nod2 novc noignoretc port=53
querytype=A class=IN timeout=10 retry=2
root=a.root-servers.net.
domain=randomisp.com
srchlist=randomisp.com
> set type=mx
> server srvns.new-host.com
Default Server: srvns.new-host.com
Address: 192.168.200.145
> yourcompany.com
Server: webns.new-host.com
Address: 192.168.200.144
yourcompany.com preference = 10, mail exchanger =<
mail.new-host.com
yourcompany.com nameserver = srvns.new-host.com
yourcompany.com nameserver = webns.new-host.com
mail.new-host.com internet address = 192.168.200.72
srvns.new-host.com internet address = 192.168.200.145
webns.new-host.com internet address = 192.168.200.144
> exit