| step | query | auth | servers |
| 1 | 106.137.125.74.in-addr.arpa. | . | (b,a,d,c,k,g,i,l,h,e,j,f,m).root-servers.net. |
| 2 | 106.137.125.74.in-addr.arpa. | in-addr.arpa. | (b,c,a,e,f,d).in-addr-servers.arpa. |
| 3 | 106.137.125.74.in-addr.arpa. | 74.in-addr.arpa. | (r,v,x,w,y,z,t,u).arin.net. |
| 4 | 106.137.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns1,ns4,ns2,ns3).google.com. |
We pick