| step | query | auth | servers |
| 1 | 57.74.236.209.in-addr.arpa. | . | (j,e,a,g,k,h,i,m,l,d,b,c,f).root-servers.net. |
| 2 | 57.74.236.209.in-addr.arpa. | in-addr.arpa. | (a,b,d,e,c,f).in-addr-servers.arpa. |
| 3 | 57.74.236.209.in-addr.arpa. | 209.in-addr.arpa. | (r,x,z,w,y,t,v,u).arin.net. |
| 4 | 57.74.236.209.in-addr.arpa. | 74.236.209.in-addr.arpa. | (ns1,ns2,ns3).westdc.net. |
We pick