| step | query | auth | servers |
| 1 | 10.197.120.209.in-addr.arpa. | . | (k,h,e,j,a,d,l,i,m,g,b,f,c).root-servers.net. |
| 2 | 10.197.120.209.in-addr.arpa. | in-addr.arpa. | (b,f,c,d,a,e).in-addr-servers.arpa. |
| 3 | 10.197.120.209.in-addr.arpa. | 209.in-addr.arpa. | (v,w,dill,x,z,u,t,y).arin.net. |
| 4 | 10.197.120.209.in-addr.arpa. | 197.120.209.in-addr.arpa. | (ns3,ns2,ns1).yipes.com. |
We pick