| step | query | auth | servers |
| 1 | 50.224.125.74.in-addr.arpa. | . | (d,m,k,a,f,h,e,g,c,b,l,j,i).root-servers.net. |
| 2 | 50.224.125.74.in-addr.arpa. | in-addr.arpa. | (c,d,b,e,a,f).in-addr-servers.arpa. |
| 3 | 50.224.125.74.in-addr.arpa. | 74.in-addr.arpa. | (z,x,v,u,r,y,w,t).arin.net. |
| 4 | 50.224.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns3,ns4,ns2,ns1).google.com. |
We pick