| step | query | auth | servers |
| 1 | 66.160.110.204.in-addr.arpa. | . | (g,d,c,k,e,b,m,f,i,j,h,l,a).root-servers.net. |
| 2 | 66.160.110.204.in-addr.arpa. | in-addr.arpa. | (a,c,b,d,e,f).in-addr-servers.arpa. |
| 3 | 66.160.110.204.in-addr.arpa. | 204.in-addr.arpa. | (x,r,y,u,z,v,w,t).arin.net. |
| 4 | 66.160.110.204.in-addr.arpa. | 160.110.204.in-addr.arpa. | (dns91,dns04,dns02,dns88).unilever.com. |
We pick