| step | query | auth | servers |
| 1 | 10.80.31.192.in-addr.arpa. | . | (j,c,g,i,h,a,b,e,k,f,m,l,d).root-servers.net. |
| 2 | 10.80.31.192.in-addr.arpa. | arpa. | (c,g,i,h,a,b,e,k,f,m,l,d).root-servers.net. |
| 3 | 10.80.31.192.in-addr.arpa. | in-addr.arpa. | (e,a,f,d,c,b).in-addr-servers.arpa. |
| 4 | 10.80.31.192.in-addr.arpa. | 192.in-addr.arpa. | (x,dill,y,z,u,w,t,v).arin.net. |
| 5 | 10.80.31.192.in-addr.arpa. | 80.31.192.in-addr.arpa. | (l2,e2,d2,c2).nstld.com. |
We pick