| step | query | auth | servers |
| 1 | 147.75.194.173.in-addr.arpa. | . | (m,c,k,e,i,g,d,j,h,a,f,l,b).root-servers.net. |
| 2 | 147.75.194.173.in-addr.arpa. | in-addr.arpa. | (c,a,f,d,e,b).in-addr-servers.arpa. |
| 3 | 147.75.194.173.in-addr.arpa. | 173.in-addr.arpa. | (t,r,w,x,y,v,z,u).arin.net. |
| 4 | 147.75.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns3,ns2,ns1).google.com. |
We pick