| step | query | auth | servers |
| 1 | 1.254.168.192.in-addr.arpa. | . | (k,e,d,i,j,c,g,b,a,f,h,m,l).root-servers.net. |
| 2 | 1.254.168.192.in-addr.arpa. | in-addr.arpa. | (b,e,d,f,c,a).in-addr-servers.arpa. |
| 3 | 1.254.168.192.in-addr.arpa. | 192.in-addr.arpa. | (v,w,r,x,z,y,u,t).arin.net. |
| 4 | 1.254.168.192.in-addr.arpa. | 168.192.in-addr.arpa. | (blackhole-1,blackhole-2).iana.org. |
We pick