| step | query | auth | servers |
| 1 | 104.137.125.74.in-addr.arpa. | . | (b,f,i,g,h,m,d,c,e,a,j,k,l).root-servers.net. |
| 2 | 104.137.125.74.in-addr.arpa. | in-addr.arpa. | (f,b,e,a,c,d).in-addr-servers.arpa. |
| 3 | 104.137.125.74.in-addr.arpa. | 74.in-addr.arpa. | (z,x,y,u,r,t,v,w).arin.net. |
| 4 | 104.137.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns3,ns2,ns4,ns1).google.com. |
We pick