| step | query | auth | servers |
| 1 | 107.36.119.203.in-addr.arpa. | . | (b,a,g,e,h,j,i,f,m,l,d,c,k).root-servers.net. |
| 2 | 107.36.119.203.in-addr.arpa. | in-addr.arpa. | (f,e,a,c,b,d).in-addr-servers.arpa. |
| 3 | 107.36.119.203.in-addr.arpa. | 203.in-addr.arpa. | ns3.apnic.net. sec1.authdns.ripe.net. ns4.apnic.net. ns1.apnic.net. dns1.telstra.net. apnic1.dnsnode.net. tinnie.arin.net. |
| 4 | 107.36.119.203.in-addr.arpa. | 36.119.203.in-addr.arpa. | (b,f,d,c,e).dns-servers.vn. |
We pick