Searching for 205.170.244.171.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 38 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 116 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 116 ms
Searching for ns3.lacnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for ns3.lacnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 33 ms
Searching for ns3.lacnic.net. A record at lacnic.authdns.ripe.net. [193.0.9.11] ...took 11 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 200 msSearching for ns3.lacnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 33 ms
Searching for ns3.lacnic.net. A record at lacnic.authdns.ripe.net. [193.0.9.11] ...took 11 ms
Searching for dns1.vietel.com.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for dns1.vietel.com.vn. A record at f.dns-servers.vn. [203.119.68.105] ...took 205 ms
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 187 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 180 msSearching for dns1.vietel.com.vn. A record at f.dns-servers.vn. [203.119.68.105] ...took 205 ms
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 187 ms
Nameserver dns1.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 1,048 ms