| step | query | auth | servers |
| 1 | 105.60.119.203.in-addr.arpa. | . | (l,d,j,g,k,e,h,m,f,c,a,b,i).root-servers.net. |
| 2 | 105.60.119.203.in-addr.arpa. | in-addr.arpa. | (c,b,f,d,e,a).in-addr-servers.arpa. |
| 3 | 105.60.119.203.in-addr.arpa. | 203.in-addr.arpa. | ns4.apnic.net. tinnie.arin.net. dns1.telstra.net. apnic1.dnsnode.net. sec1.authdns.ripe.net. ns1.apnic.net. ns3.apnic.net. |
| 4 | 105.60.119.203.in-addr.arpa. | 60.119.203.in-addr.arpa. | (dns3,dns1,dns2).vnnic.vn. |
We pick