| step | query | auth | servers |
| 1 | 30.40.178.216.in-addr.arpa. | . | (m,b,i,l,h,k,f,d,e,a,j,c,g).root-servers.net. |
| 2 | 30.40.178.216.in-addr.arpa. | in-addr.arpa. | (a,d,f,e,b,c).in-addr-servers.arpa. |
| 3 | 30.40.178.216.in-addr.arpa. | 216.in-addr.arpa. | (y,z,w,u,x,r,v,t).arin.net. |
| 4 | 30.40.178.216.in-addr.arpa. | 40.178.216.in-addr.arpa. | (ns4-66,ns5-67,ns7-67,ns1-128).akam.net. |
We pick