| step | query | auth | servers |
| 1 | 151.33.87.208.in-addr.arpa. | . | (c,h,d,k,g,l,a,b,j,m,e,i,f).root-servers.net. |
| 2 | 151.33.87.208.in-addr.arpa. | in-addr.arpa. | (b,a,c,e,f,d).in-addr-servers.arpa. |
| 3 | 151.33.87.208.in-addr.arpa. | 208.in-addr.arpa. | (t,u,r,z,x,y,v,w).arin.net. |
| 4 | 151.33.87.208.in-addr.arpa. | 33.87.208.in-addr.arpa. | (ns1,ns2).securehost.com. |
| 5 | 151.128-191.33.87.208.in-addr.arpa. | 33.87.208.in-addr.arpa. | (ns2,ns1).securehost.com. |
| 6 | 151.128-191.33.87.208.in-addr.arpa. | 128-191.33.87.208.in-addr.arpa. | ns-1104.awsdns-10.org. ns-920.awsdns-51.net. ns-192.awsdns-24.com. ns-1829.awsdns-36.co.uk. |
We pick