| step | query | auth | servers |
| 1 | 73.224.125.74.in-addr.arpa. | . | (a,k,m,e,i,c,h,b,f,g,l,d,j).root-servers.net. |
| 2 | 73.224.125.74.in-addr.arpa. | in-addr.arpa. | (a,e,c,d,b,f).in-addr-servers.arpa. |
| 3 | 73.224.125.74.in-addr.arpa. | 74.in-addr.arpa. | (x,u,r,z,w,t,y,v).arin.net. |
| 4 | 73.224.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns1,ns2,ns4,ns3).google.com. |
We pick