| step | query | auth | servers |
| 1 | 147.137.125.74.in-addr.arpa. | . | (e,c,j,h,i,a,b,g,l,d,k,m,f).root-servers.net. |
| 2 | 147.137.125.74.in-addr.arpa. | in-addr.arpa. | (f,a,d,b,e,c).in-addr-servers.arpa. |
| 3 | 147.137.125.74.in-addr.arpa. | 74.in-addr.arpa. | (u,z,t,v,x,y,w,r).arin.net. |
| 4 | 147.137.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns3,ns1,ns4,ns2).google.com. |
We pick