| step | query | auth | servers |
| 1 | 107.1.236.64.in-addr.arpa. | . | (k,f,c,e,l,a,b,d,i,m,g,j,h).root-servers.net. |
| 2 | 107.1.236.64.in-addr.arpa. | in-addr.arpa. | (a,b,f,e,c,d).in-addr-servers.arpa. |
| 3 | 107.1.236.64.in-addr.arpa. | 64.in-addr.arpa. | (u,w,z,r,t,x,v,y).arin.net. |
| 4 | 107.1.236.64.in-addr.arpa. | 236.64.in-addr.arpa. | (dns-01,dns-02).atdn.net. |
We pick