| step | query | auth | servers |
| 1 | 104.75.194.173.in-addr.arpa. | . | (m,h,e,g,k,f,c,a,d,j,i,b,l).root-servers.net. |
| 2 | 104.75.194.173.in-addr.arpa. | in-addr.arpa. | (a,b,c,f,e,d).in-addr-servers.arpa. |
| 3 | 104.75.194.173.in-addr.arpa. | 173.in-addr.arpa. | (v,w,z,x,t,y,u,r).arin.net. |
| 4 | 104.75.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns2,ns3,ns1).google.com. |
We pick