| step | query | auth | servers |
| 1 | 105.66.194.173.in-addr.arpa. | . | (b,m,h,e,l,k,j,a,i,d,f,c,g).root-servers.net. |
| 2 | 105.66.194.173.in-addr.arpa. | in-addr.arpa. | (e,b,a,f,d,c).in-addr-servers.arpa. |
| 3 | 105.66.194.173.in-addr.arpa. | 173.in-addr.arpa. | (y,r,v,z,x,u,t,w).arin.net. |
| 4 | 105.66.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns3,ns4,ns1,ns2).google.com. |
We pick