| step | query | auth | servers |
| 1 | 99.67.194.173.in-addr.arpa. | . | (a,f,b,j,g,d,l,m,c,i,h,k,e).root-servers.net. |
| 2 | 99.67.194.173.in-addr.arpa. | in-addr.arpa. | (e,d,b,a,f,c).in-addr-servers.arpa. |
| 3 | 99.67.194.173.in-addr.arpa. | 173.in-addr.arpa. | (y,v,w,z,u,x,t,r).arin.net. |
| 4 | 99.67.194.173.in-addr.arpa. | 194.173.in-addr.arpa. | (ns4,ns2,ns3,ns1).google.com. |
We pick