| step | query | auth | servers |
| 1 | 151.224.125.in-addr.arpa. | . | (b,g,k,l,j,f,d,h,c,i,m,a,e).root-servers.net. |
| 2 | 151.224.125.in-addr.arpa. | in-addr.arpa. | (a,f,b,c,d,e).in-addr-servers.arpa. |
| 3 | 151.224.125.in-addr.arpa. | 125.in-addr.arpa. | ns3.apnic.net. tinnie.arin.net. apnic1.dnsnode.net. ns2.lacnic.net. ns4.apnic.net. sec1.authdns.ripe.net. ns1.apnic.net. |
| 4 | 151.224.125.in-addr.arpa. | 224.125.in-addr.arpa. | rns3.twnic.net. rns1.twnic.net. rns4.twnic.net.tw. rns5.twnic.net.tw. rns2.twnic.net. |
| 5 | 151.224.125.in-addr.arpa. | 151.224.125.in-addr.arpa. | (ipdns2,ipdns1).hinet.net. |
We pick