Searching for 17.128.24.123.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 17.128.24.123.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 250 ms
Searching for 17.128.24.123.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 250 ms
Searching for ns1.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for 17.128.24.123.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 188 msSearching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for vdc-hn01.vnn.vn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for vdc-hn01.vnn.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 276 ms
Searching for vdc-hn01.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 270 ms
Searching for 17.128.24.123.in-addr.arpa. PTR record at vdc-hn01.vnn.vn. [203.162.0.11]
...took 266 msSearching for vdc-hn01.vnn.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 276 ms
Searching for vdc-hn01.vnn.vn. A record at vdc-hn01.vnn.vn. [203.162.0.11] ...took 270 ms
Nameserver vdc-hn01.vnn.vn. reports: No such host 17.128.24.123.in-addr.arpa.
Total elapsed query time: 1,496 ms