| step | query | auth | servers |
| 1 | 60.187.172.216.in-addr.arpa. | . | (c,i,h,j,a,m,g,f,b,k,l,e,d).root-servers.net. |
| 2 | 60.187.172.216.in-addr.arpa. | in-addr.arpa. | (c,e,d,f,b,a).in-addr-servers.arpa. |
| 3 | 60.187.172.216.in-addr.arpa. | 216.in-addr.arpa. | (x,r,z,y,w,v,t,u).arin.net. |
| 4 | 60.187.172.216.in-addr.arpa. | 187.172.216.in-addr.arpa. | (ns4,ns2,ns1,ns3).p13.dynect.net. |
We pick