| step | query | auth | servers |
| 1 | 132.51.12.64.in-addr.arpa. | . | (j,c,g,f,b,d,m,l,a,e,h,i,k).root-servers.net. |
| 2 | 132.51.12.64.in-addr.arpa. | in-addr.arpa. | (b,d,f,c,a,e).in-addr-servers.arpa. |
| 3 | 132.51.12.64.in-addr.arpa. | 64.in-addr.arpa. | (z,r,u,t,y,v,w,x).arin.net. |
| 4 | 132.51.12.64.in-addr.arpa. | 12.64.in-addr.arpa. | (dns-02,dns-01).ns.aol.com. |
We pick