| step | query | auth | servers |
| 1 | 73.225.125.74.in-addr.arpa. | . | (j,i,d,f,b,l,g,c,k,m,e,h,a).root-servers.net. |
| 2 | 73.225.125.74.in-addr.arpa. | in-addr.arpa. | (b,c,e,d,a,f).in-addr-servers.arpa. |
| 3 | 73.225.125.74.in-addr.arpa. | 74.in-addr.arpa. | (x,y,t,z,w,v,r,u).arin.net. |
| 4 | 73.225.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns2,ns1,ns4,ns3).google.com. |
We pick