| step | query | auth | servers |
| 1 | 63.196.142.68.in-addr.arpa. | . | (l,m,b,d,e,a,h,j,k,c,g,i,f).root-servers.net. |
| 2 | 63.196.142.68.in-addr.arpa. | in-addr.arpa. | (f,e,d,c,b,a).in-addr-servers.arpa. |
| 3 | 63.196.142.68.in-addr.arpa. | 68.in-addr.arpa. | (v,x,w,y,t,u,r,z).arin.net. |
| 4 | 63.196.142.68.in-addr.arpa. | 196.142.68.in-addr.arpa. | (ns2,ns5,ns1,ns4,ns3).yahoo.com. |
We pick