| step | query | auth | servers |
| 1 | 105.139.125.74.in-addr.arpa. | . | (h,a,b,j,g,l,i,f,d,k,c,m,e).root-servers.net. |
| 2 | 105.139.125.74.in-addr.arpa. | in-addr.arpa. | (f,b,e,c,a,d).in-addr-servers.arpa. |
| 3 | 105.139.125.74.in-addr.arpa. | 74.in-addr.arpa. | (x,r,t,y,v,u,z,w).arin.net. |
| 4 | 105.139.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns2,ns1,ns3,ns4).google.com. |
We pick