| step | query | auth | servers |
| 1 | 010.001.168.192.in-addr.arpa. | . | (i,l,b,d,c,k,a,m,e,g,f,h,j).root-servers.net. |
| 2 | 010.001.168.192.in-addr.arpa. | in-addr.arpa. | (d,a,f,c,e,b).in-addr-servers.arpa. |
| 3 | 010.001.168.192.in-addr.arpa. | 192.in-addr.arpa. | (r,z,v,t,x,y,u,w).arin.net. |
| 4 | 010.001.168.192.in-addr.arpa. | 168.192.in-addr.arpa. | (blackhole-2,blackhole-1).iana.org. |
We pick