| step | query | auth | servers |
| 1 | 159.224.125.74.in-addr.arpa. | . | (c,e,m,k,d,i,j,l,h,f,a,b,g).root-servers.net. |
| 2 | 159.224.125.74.in-addr.arpa. | in-addr.arpa. | (a,c,d,b,e,f).in-addr-servers.arpa. |
| 3 | 159.224.125.74.in-addr.arpa. | 74.in-addr.arpa. | (t,v,y,r,z,x,u,w).arin.net. |
| 4 | 159.224.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns2,ns3,ns1,ns4).google.com. |
We pick