| step | query | auth | servers |
| 1 | 123.162.13.204.in-addr.arpa. | . | (f,a,k,h,m,b,g,e,d,l,i,c,j).root-servers.net. |
| 2 | 123.162.13.204.in-addr.arpa. | in-addr.arpa. | (c,d,a,e,f,b).in-addr-servers.arpa. |
| 3 | 123.162.13.204.in-addr.arpa. | 204.in-addr.arpa. | (r,y,x,z,w,t,u,v).arin.net. |
| 4 | 123.162.13.204.in-addr.arpa. | 162.13.204.in-addr.arpa. | (ns1,ns2).oversee.net. |
We pick