resolving on dns box.

[jason@junior ~]$ nslookup router.dadlab.bn
Server:         172.30.2.2
Address:        172.30.2.2#53

Name:   router.dadlab.bn
Address: 172.30.2.1

[jason@junior ~]$


 nslookup 172.30.2.1
Server:         172.30.2.2
Address:        172.30.2.2#53

1.2.30.172.in-addr.arpa name = router.dadlab.bn.

[jason@junior ~]$



[jason@junior ~]$ nslookup google.ca
Server:         172.30.2.2
Address:        172.30.2.2#53

Non-authoritative answer:
Name:   google.ca
Address: 173.194.75.94