| step | query | auth | servers |
|---|
| 1 | 105.68.119.203.in-addr.arpa. | . | (h,f,l,g,i,a,k,j,d,b,m,c,e).root-servers.net. |
| 2 | 105.68.119.203.in-addr.arpa. | in-addr.arpa. | (c,b,d,a,f,e).in-addr-servers.arpa. |
| 3 | 105.68.119.203.in-addr.arpa. | 203.in-addr.arpa. | ns4.apnic.net. apnic1.dnsnode.net. tinnie.arin.net. ns1.apnic.net. ns3.apnic.net. sec1.authdns.ripe.net. dns1.telstra.net. |
| 4 | 105.68.119.203.in-addr.arpa. | 68.119.203.in-addr.arpa. | (d,b,f,e,c).dns-servers.vn. |
We pick 
