| step | query | auth | servers |
| 1 | 114.236.255.222.in-addr.arpa. | . | (d,m,e,a,h,k,j,l,g,c,b,i,f).root-servers.net. |
| 2 | 114.236.255.222.in-addr.arpa. | in-addr.arpa. | (f,d,a,e,c,b).in-addr-servers.arpa. |
| 3 | 114.236.255.222.in-addr.arpa. | 222.in-addr.arpa. | tinnie.arin.net. sec1.authdns.ripe.net. ns2.lacnic.net. apnic1.dnsnode.net. ns1.apnic.net. ns3.apnic.net. ns4.apnic.net. |
| 4 | 114.236.255.222.in-addr.arpa. | 255.222.in-addr.arpa. | (hcm-server1,vdc-hn01).vnn.vn. |
We pick