| step | query | auth | servers |
| 1 | 7.255.166.157.in-addr.arpa. | . | (c,d,f,i,h,m,a,b,j,l,k,e,g).root-servers.net. |
| 2 | 7.255.166.157.in-addr.arpa. | in-addr.arpa. | (e,d,f,a,b,c).in-addr-servers.arpa. |
| 3 | 7.255.166.157.in-addr.arpa. | 157.in-addr.arpa. | (t,v,z,w,u,dill,y,x).arin.net. |
| 4 | 7.255.166.157.in-addr.arpa. | 166.157.in-addr.arpa. | (ns1,ns3,ns5).timewarner.net. |
We pick