Searching for 231.30.72.27.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 231.30.72.27.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 170 ms
Searching for 231.30.72.27.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 170 ms
Searching for apnic.authdns.ripe.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for apnic.authdns.ripe.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 204 ms
Searching for 231.30.72.27.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 204 ms
Searching for dns2.vietel.com.vn. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for dns2.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 11 ms
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 331 ms
Searching for 231.30.72.27.in-addr.arpa. PTR record at dns2.vietel.com.vn. [203.113.188.2]
...took 277 msSearching for dns2.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 11 ms
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 331 ms
Nameserver dns2.vietel.com.vn. reports: No such host 231.30.72.27.in-addr.arpa.
Total elapsed query time: 1,108 ms