| step | query | auth | servers |
| 1 | 102.34.194.173.in-addr.arpa. | . | (l,j,f,k,d,g,b,i,a,m,c,e,h).root-servers.net. |
| 2 | 102.34.194.173.in-addr.arpa. | in-addr.arpa. | (d,c,f,a,b,e).in-addr-servers.arpa. |
| 3 | 102.34.194.173.in-addr.arpa. | 173.in-addr.arpa. | (r,v,w,x,u,y,z,t).arin.net. |
| 4 | 102.34.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns2,ns4,ns3,ns1).google.com. |
We pick