| step | query | auth | servers |
| 1 | 100.127.125.74.in-addr.arpa. | . | (k,j,b,d,g,a,e,i,c,m,l,h,f).root-servers.net. |
| 2 | 100.127.125.74.in-addr.arpa. | in-addr.arpa. | (e,c,b,d,f,a).in-addr-servers.arpa. |
| 3 | 100.127.125.74.in-addr.arpa. | 74.in-addr.arpa. | (v,r,u,z,t,w,y,x).arin.net. |
| 4 | 100.127.125.74.in-addr.arpa. | 125.74.in-addr.arpa. | (ns4,ns2,ns3,ns1).google.com. |
We pick