| step | query | auth | servers |
| 1 | 99.145.198.66.in-addr.arpa. | . | (k,m,d,b,l,e,h,c,g,i,f,a,j).root-servers.net. |
| 2 | 99.145.198.66.in-addr.arpa. | in-addr.arpa. | (b,c,d,a,e,f).in-addr-servers.arpa. |
| 3 | 99.145.198.66.in-addr.arpa. | 66.in-addr.arpa. | (v,u,t,y,z,x,w,r).arin.net. |
| 4 | 99.145.198.66.in-addr.arpa. | 145.198.66.in-addr.arpa. | (pollux,castor).teleglobe.net. |
We pick