| step | query | auth | servers |
| 1 | 103.45.125.74.in-addr.arpa. | . | (g,c,l,f,i,j,m,k,h,b,d,e,a).root-servers.net. |
| 2 | 103.45.125.74.in-addr.arpa. | in-addr.arpa. | (f,e,a,c,b,d).in-addr-servers.arpa. |
| 3 | 103.45.125.74.in-addr.arpa. | 74.in-addr.arpa. | (r,u,v,y,t,z,x,w).arin.net. |
| 4 | 103.45.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns3,ns1,ns4,ns2).google.com. |
We pick