| step | query | auth | servers |
| 1 | 165.225.150.203.in-addr.arpa. | . | (l,e,d,g,m,b,h,a,c,j,i,f,k).root-servers.net. |
| 2 | 165.225.150.203.in-addr.arpa. | in-addr.arpa. | (e,d,a,c,f,b).in-addr-servers.arpa. |
| 3 | 165.225.150.203.in-addr.arpa. | 203.in-addr.arpa. | ns4.apnic.net. sec1.authdns.ripe.net. dns1.telstra.net. ns3.apnic.net. ns1.apnic.net. apnic1.dnsnode.net. tinnie.arin.net. |
| 4 | 165.225.150.203.in-addr.arpa. | 150.203.in-addr.arpa. | (ns2,ns1).inet.co.th. |
We pick