| step | query | auth | servers |
| 1 | 167.39.162.203.in-addr.arpa. | . | (e,m,f,d,g,h,c,a,b,j,l,i,k).root-servers.net. |
| 2 | 167.39.162.203.in-addr.arpa. | in-addr.arpa. | (e,f,a,b,d,c).in-addr-servers.arpa. |
| 3 | 167.39.162.203.in-addr.arpa. | 203.in-addr.arpa. | sec1.authdns.ripe.net. ns3.apnic.net. apnic1.dnsnode.net. dns1.telstra.net. ns4.apnic.net. ns1.apnic.net. tinnie.arin.net. |
| 4 | 167.39.162.203.in-addr.arpa. | 39.162.203.in-addr.arpa. | (vdc-hn01,hcm-server1).vnn.vn. |
We pick