| step | query | auth | servers |
| 1 | 147.238.94.66.in-addr.arpa. | . | (k,m,h,i,c,j,e,g,a,b,f,d,l).root-servers.net. |
| 2 | 147.238.94.66.in-addr.arpa. | in-addr.arpa. | (c,d,e,a,f,b).in-addr-servers.arpa. |
| 3 | 147.238.94.66.in-addr.arpa. | 66.in-addr.arpa. | (v,y,z,w,x,r,t,u).arin.net. |
| 4 | 147.238.94.66.in-addr.arpa. | 238.94.66.in-addr.arpa. | (ns1,ns2).yahoo.com. |
We pick