Searching for 16.72.93.180.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 16.72.93.180.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 16.72.93.180.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for rirns.arin.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 149 ms
Searching for 16.72.93.180.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 155 msSearching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 149 ms
Searching for hcmc2.saigonnet.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for hcmc2.saigonnet.vn. A record at c.dns-servers.vn. [203.119.38.105] ...took 332 ms
Searching for hcmc2.saigonnet.vn. A record at hcmc4.saigonnet.vn. [125.212.192.25] ...took 291 ms
Searching for 16.72.93.180.in-addr.arpa. PTR record at hcmc2.saigonnet.vn. [221.133.1.1]
...took 334 msSearching for hcmc2.saigonnet.vn. A record at c.dns-servers.vn. [203.119.38.105] ...took 332 ms
Searching for hcmc2.saigonnet.vn. A record at hcmc4.saigonnet.vn. [125.212.192.25] ...took 291 ms
Nameserver hcmc2.saigonnet.vn. reports: No such host 16.72.93.180.in-addr.arpa.
Total elapsed query time: 1,535 ms