| step | query | auth | servers |
| 1 | 31.112.54.192.in-addr.arpa. | . | (b,m,i,j,k,l,d,g,a,h,c,f,e).root-servers.net. |
| 2 | 31.112.54.192.in-addr.arpa. | in-addr.arpa. | (b,d,a,f,c,e).in-addr-servers.arpa. |
| 3 | 31.112.54.192.in-addr.arpa. | 192.in-addr.arpa. | (z,t,r,w,y,v,x,u).arin.net. |
| 4 | 31.112.54.192.in-addr.arpa. | 112.54.192.in-addr.arpa. | (e2,l2,c2,d2).nstld.com. |
We pick