| step | query | auth | servers |
| 1 | 255.150.93.66.in-addr.arpa. | . | (e,i,g,h,m,c,f,k,d,a,l,b,j).root-servers.net. |
| 2 | 255.150.93.66.in-addr.arpa. | in-addr.arpa. | (d,c,a,b,e,f).in-addr-servers.arpa. |
| 3 | 255.150.93.66.in-addr.arpa. | 66.in-addr.arpa. | (u,dill,x,z,y,v,t,w).arin.net. |
| 4 | 255.150.93.66.in-addr.arpa. | 93.66.in-addr.arpa. | (ns1,ns2).speakeasy.net. |
We pick