| step | query | auth | servers |
| 1 | 242.57.70.204.in-addr.arpa. | . | (h,j,l,g,i,b,c,m,e,a,k,f,d).root-servers.net. |
| 2 | 242.57.70.204.in-addr.arpa. | in-addr.arpa. | (b,c,e,d,a,f).in-addr-servers.arpa. |
| 3 | 242.57.70.204.in-addr.arpa. | 204.in-addr.arpa. | (r,y,v,u,t,w,x,z).arin.net. |
| 4 | 242.57.70.204.in-addr.arpa. | 70.204.in-addr.arpa. | (ns05,ns01,ns03,ns04,ns02).savvis.net. |
We pick