| step | query | auth | servers |
| 1 | 137.224.125.74.in-addr.arpa. | . | (k,i,h,a,m,e,g,b,d,j,c,l,f).root-servers.net. |
| 2 | 137.224.125.74.in-addr.arpa. | in-addr.arpa. | (d,a,c,e,f,b).in-addr-servers.arpa. |
| 3 | 137.224.125.74.in-addr.arpa. | 74.in-addr.arpa. | (t,y,r,u,x,w,v,z).arin.net. |
| 4 | 137.224.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns4,ns3,ns1,ns2).google.com. |
We pick