| step | query | auth | servers |
| 1 | 074.001.168.192.in-addr.arpa. | . | (e,l,k,i,a,d,f,m,g,b,h,j,c).root-servers.net. |
| 2 | 074.001.168.192.in-addr.arpa. | in-addr.arpa. | (a,b,f,d,e,c).in-addr-servers.arpa. |
| 3 | 074.001.168.192.in-addr.arpa. | 192.in-addr.arpa. | (r,v,z,u,x,w,y,t).arin.net. |
| 4 | 074.001.168.192.in-addr.arpa. | 168.192.in-addr.arpa. | (blackhole-1,blackhole-2).iana.org. |
We pick