| step | query | auth | servers |
| 1 | 150.224.125.74.in-addr.arpa. | . | (l,b,g,i,c,d,h,j,a,k,f,e,m).root-servers.net. |
| 2 | 150.224.125.74.in-addr.arpa. | in-addr.arpa. | (a,b,f,d,e,c).in-addr-servers.arpa. |
| 3 | 150.224.125.74.in-addr.arpa. | 74.in-addr.arpa. | (x,r,v,t,w,z,u,y).arin.net. |
| 4 | 150.224.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns1,ns2,ns3,ns4).google.com. |
We pick