| step | query | auth | servers |
| 1 | 135.225.11.66.in-addr.arpa. | . | (h,b,f,m,l,e,g,a,k,i,d,j,c).root-servers.net. |
| 2 | 135.225.11.66.in-addr.arpa. | in-addr.arpa. | (c,b,d,e,a,f).in-addr-servers.arpa. |
| 3 | 135.225.11.66.in-addr.arpa. | 66.in-addr.arpa. | (x,y,r,u,w,z,t,v).arin.net. |
| 4 | 135.225.11.66.in-addr.arpa. | 225.11.66.in-addr.arpa. | (ns2,ns1).dotster.com. |
We pick