| step | query | auth | servers |
| 1 | 103.137.125.74.in-addr.arpa. | . | (i,b,d,l,h,c,g,a,e,j,f,m,k).root-servers.net. |
| 2 | 103.137.125.74.in-addr.arpa. | in-addr.arpa. | (a,f,b,e,d,c).in-addr-servers.arpa. |
| 3 | 103.137.125.74.in-addr.arpa. | 74.in-addr.arpa. | (v,t,y,w,r,x,z,u).arin.net. |
| 4 | 103.137.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns2,ns4,ns1,ns3).google.com. |
We pick