| step | query | auth | servers |
| 1 | 239.0.236.63.in-addr.arpa. | . | (e,f,d,m,l,k,i,a,c,b,j,h,g).root-servers.net. |
| 2 | 239.0.236.63.in-addr.arpa. | in-addr.arpa. | (b,f,e,c,d,a).in-addr-servers.arpa. |
| 3 | 239.0.236.63.in-addr.arpa. | 63.in-addr.arpa. | (u,r,x,y,v,t,z,w).arin.net. |
| 4 | 239.0.236.63.in-addr.arpa. | 236.63.in-addr.arpa. | (authns2,authns1).qwest.net. |
We pick