Searching for 230.0.20.123.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rirns.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 156 msSearching for rirns.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for hcm-server1.vnn.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for hcm-server1.vnn.vn. A record at c.dns-servers.vn. [203.119.38.105] ...took 277 ms
Searching for hcm-server1.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 221 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at hcm-server1.vnn.vn. [203.162.4.1]
...took 223 msSearching for hcm-server1.vnn.vn. A record at c.dns-servers.vn. [203.119.38.105] ...took 277 ms
Searching for hcm-server1.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 221 ms
Nameserver hcm-server1.vnn.vn. reports: No such host 230.0.20.123.in-addr.arpa.
Total elapsed query time: 1,255 ms