| step | query | auth | servers |
| 1 | 105.137.125.74.in-addr.arpa. | . | (m,b,f,j,k,h,c,i,a,e,g,d,l).root-servers.net. |
| 2 | 105.137.125.74.in-addr.arpa. | in-addr.arpa. | (e,b,d,a,c,f).in-addr-servers.arpa. |
| 3 | 105.137.125.74.in-addr.arpa. | 74.in-addr.arpa. | (z,r,t,u,x,v,y,w).arin.net. |
| 4 | 105.137.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns1,ns4,ns3,ns2).google.com. |
We pick