Searching for 230.0.20.123.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 19 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 97 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 97 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rirns.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 141 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 95 msSearching for rirns.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 141 ms
Searching for vdc-hn01.vnn.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for vdc-hn01.vnn.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 195 ms
Searching for vdc-hn01.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 203 ms
Searching for 230.0.20.123.in-addr.arpa. PTR record at vdc-hn01.vnn.vn. [203.162.0.11]
...took 219 msSearching for vdc-hn01.vnn.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 195 ms
Searching for vdc-hn01.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 203 ms
Nameserver vdc-hn01.vnn.vn. reports: No such host 230.0.20.123.in-addr.arpa.
Total elapsed query time: 1,006 ms