| step | query | auth | servers |
| 1 | 119.56.4.64.in-addr.arpa. | . | (m,f,d,h,l,b,j,k,g,i,a,c,e).root-servers.net. |
| 2 | 119.56.4.64.in-addr.arpa. | in-addr.arpa. | (f,a,e,b,c,d).in-addr-servers.arpa. |
| 3 | 119.56.4.64.in-addr.arpa. | 64.in-addr.arpa. | (v,z,u,w,x,y,r,t).arin.net. |
| 4 | 119.56.4.64.in-addr.arpa. | 56.4.64.in-addr.arpa. | (ns2,ns4,ns3,ns5,ns1).msft.net. |
We pick