| step | query | auth | servers |
| 1 | 50.65.13.149.in-addr.arpa. | . | (l,i,f,j,b,h,e,c,a,m,d,k,g).root-servers.net. |
| 2 | 50.65.13.149.in-addr.arpa. | in-addr.arpa. | (d,f,e,b,c,a).in-addr-servers.arpa. |
| 3 | 50.65.13.149.in-addr.arpa. | 149.in-addr.arpa. | (u,t,r,y,v,x,z,w).arin.net. |
| 4 | 50.65.13.149.in-addr.arpa. | 13.149.in-addr.arpa. | (auth4,auth3,auth1,auth2).dns.cogentco.com. |
| 5 | 50.65.13.149.in-addr.arpa. | 65.13.149.in-addr.arpa. | (ns3,ns2,ns1).atomdns.net. |
We pick