| step | query | auth | servers |
| 1 | 106.139.125.74.in-addr.arpa. | . | (d,i,h,m,e,g,l,c,f,k,b,j,a).root-servers.net. |
| 2 | 106.139.125.74.in-addr.arpa. | in-addr.arpa. | (f,b,a,d,c,e).in-addr-servers.arpa. |
| 3 | 106.139.125.74.in-addr.arpa. | 74.in-addr.arpa. | (w,y,v,u,z,r,t,x).arin.net. |
| 4 | 106.139.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns2,ns4,ns3,ns1).google.com. |
We pick