| step | query | auth | servers |
| 1 | 99.75.194.173.in-addr.arpa. | . | (f,m,c,d,g,a,e,b,j,l,h,i,k).root-servers.net. |
| 2 | 99.75.194.173.in-addr.arpa. | in-addr.arpa. | (f,b,d,c,a,e).in-addr-servers.arpa. |
| 3 | 99.75.194.173.in-addr.arpa. | 173.in-addr.arpa. | (r,u,x,y,t,z,v,w).arin.net. |
| 4 | 99.75.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns1,ns2,ns3,ns4).google.com. |
We pick