| step | query | auth | servers |
| 1 | 254.0.168.192.in-addr.arpa. | . | (e,c,m,j,b,g,a,f,d,k,h,l,i).root-servers.net. |
| 2 | 254.0.168.192.in-addr.arpa. | in-addr.arpa. | (b,c,a,f,d,e).in-addr-servers.arpa. |
| 3 | 254.0.168.192.in-addr.arpa. | 192.in-addr.arpa. | (v,y,z,r,w,u,t,x).arin.net. |
| 4 | 254.0.168.192.in-addr.arpa. | 168.192.in-addr.arpa. | (blackhole-1,blackhole-2).iana.org. |
We pick