| step | query | auth | servers |
| 1 | 170.189.202.64.in-addr.arpa. | . | (l,g,b,a,k,c,m,i,e,h,f,d,j).root-servers.net. |
| 2 | 170.189.202.64.in-addr.arpa. | in-addr.arpa. | (b,c,a,f,e,d).in-addr-servers.arpa. |
| 3 | 170.189.202.64.in-addr.arpa. | 64.in-addr.arpa. | (v,u,y,x,z,w,r,t).arin.net. |
| 4 | 170.189.202.64.in-addr.arpa. | 189.202.64.in-addr.arpa. | (cns2,cns1).secureserver.net. |
We pick