| step | query | auth | servers |
| 1 | 31.80.31.192.in-addr.arpa. | . | (b,g,f,c,a,h,l,d,m,e,i,j,k).root-servers.net. |
| 2 | 31.80.31.192.in-addr.arpa. | in-addr.arpa. | (d,b,f,a,c,e).in-addr-servers.arpa. |
| 3 | 31.80.31.192.in-addr.arpa. | 192.in-addr.arpa. | (r,u,w,t,x,z,y,v).arin.net. |
| 4 | 31.80.31.192.in-addr.arpa. | 80.31.192.in-addr.arpa. | (d2,l2,c2,e2).nstld.com. |
We pick