| step | query | auth | servers |
| 1 | 221.10.96.208.in-addr.arpa. | . | (i,d,c,l,k,h,g,m,f,a,j,e,b).root-servers.net. |
| 2 | 221.10.96.208.in-addr.arpa. | in-addr.arpa. | (d,b,a,c,f,e).in-addr-servers.arpa. |
| 3 | 221.10.96.208.in-addr.arpa. | 208.in-addr.arpa. | (x,t,y,u,r,v,z,w).arin.net. |
| 4 | 221.10.96.208.in-addr.arpa. | 10.96.208.in-addr.arpa. | (ns,ns1).servepath.com. |
We pick