| step | query | auth | servers |
| 1 | 10.148.125.74.in-addr.arpa. | . | (l,a,h,f,i,b,d,c,m,g,e,j,k).root-servers.net. |
| 2 | 10.148.125.74.in-addr.arpa. | in-addr.arpa. | (b,f,d,c,e,a).in-addr-servers.arpa. |
| 3 | 10.148.125.74.in-addr.arpa. | 74.in-addr.arpa. | (w,y,r,v,z,u,t,x).arin.net. |
| 4 | 10.148.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns1,ns3,ns4,ns2).google.com. |
We pick