IP adress lookup

C:\Documents and Settings\Axioo>nslookup
DNS request timed out.
timeout was 2 seconds.
*** Can't find server name for address 10.17.3.254: Timed out
DNS request timed out.
timeout was 2 seconds.
*** Can't find server name for address 202.43.178.245: Timed out
*** Default servers are not available
Default Server: UnKnown
Address: 10.17.3.254

> set type=ns
> yuwie.com
Server: UnKnown
Address: 10.17.3.254

DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
yuwie.com nameserver = ns2.mydomain.com
yuwie.com nameserver = ns3.mydomain.com
yuwie.com nameserver = ns4.mydomain.com
yuwie.com nameserver = ns1.mydomain.com

ns3.mydomain.com internet address = 66.150.161.137
ns4.mydomain.com internet address = 63.251.83.74
> set type=a
> yuwie.com
Server: UnKnown
Address: 10.17.3.254

DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
> set type=ptr
> yuwie.com
Server: UnKnown
Address: 10.17.3.254

DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
> set type=cname
> yuwie.com
Server: UnKnown
Address: 10.17.3.254

DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
>


C:\Documents and Settings\Axioo>nslookup
DNS request timed out.
timeout was 2 seconds.
*** Can't find server name for address 10.17.3.254: Timed out
Default Server: ns2.cepat.net.id
Address: 202.43.178.245

> set type=ns
> vivanews.com
Server: ns2.cepat.net.id
Address: 202.43.178.245

Non-authoritative answer:
vivanews.com nameserver = dns1.vivanews.com
vivanews.com nameserver = dns2.vivanews.com

dns1.vivanews.com internet address = 202.129.216.43
dns2.vivanews.com internet address = 202.129.216.44
> set type=a
> vivanews.com
Server: ns2.cepat.net.id
Address: 202.43.178.245

Non-authoritative answer:
Name: vivanews.com
Address: 202.129.216.42

> set type=ptr
> vivanews.com
Server: ns2.cepat.net.id
Address: 202.43.178.245

vivanews.com
primary name server = vivanews.com
responsible mail addr = root.vivanews.com
serial = 200808343
refresh = 28800 (8 hours)
retry = 14400 (4 hours)
expire = 3600000 (41 days 16 hours)
default TTL = 86400 (1 day)
> set type=cname
> vivanews.com
Server: ns2.cepat.net.id
Address: 202.43.178.245

vivanews.com
primary name server = vivanews.com
responsible mail addr = root.vivanews.com
serial = 200808343
refresh = 28800 (8 hours)
retry = 14400 (4 hours)
expire = 3600000 (41 days 16 hours)
default TTL = 86400 (1 day)
>