| step | query | auth | servers |
| 1 | 105.44.119.203.in-addr.arpa. | . | (j,e,c,g,f,d,b,m,k,l,a,h,i).root-servers.net. |
| 2 | 105.44.119.203.in-addr.arpa. | in-addr.arpa. | (d,e,f,a,b,c).in-addr-servers.arpa. |
| 3 | 105.44.119.203.in-addr.arpa. | 203.in-addr.arpa. | ns4.apnic.net. sec1.authdns.ripe.net. dns1.telstra.net. apnic1.dnsnode.net. ns1.apnic.net. tinnie.arin.net. ns3.apnic.net. |
| 4 | 105.44.119.203.in-addr.arpa. | 44.119.203.in-addr.arpa. | (dns3,dns2,dns1).vnnic.vn. |
We pick