| step | query | auth | servers |
| 1 | 100.41.194.173.in-addr.arpa. | . | (h,a,c,j,b,f,k,i,m,l,g,d,e).root-servers.net. |
| 2 | 100.41.194.173.in-addr.arpa. | in-addr.arpa. | (f,d,b,c,a,e).in-addr-servers.arpa. |
| 3 | 100.41.194.173.in-addr.arpa. | 173.in-addr.arpa. | (x,r,t,y,u,w,v,z).arin.net. |
| 4 | 100.41.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns2,ns3,ns1).google.com. |
We pick