| step | query | auth | servers |
| 1 | 48.39.194.173.in-addr.arpa. | . | (k,h,a,g,i,j,b,e,f,d,l,c,m).root-servers.net. |
| 2 | 48.39.194.173.in-addr.arpa. | in-addr.arpa. | (a,d,e,b,f,c).in-addr-servers.arpa. |
| 3 | 48.39.194.173.in-addr.arpa. | 173.in-addr.arpa. | (y,x,r,v,w,t,z,u).arin.net. |
| 4 | 48.39.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns1,ns2,ns3).google.com. |
We pick