Searching for 205.170.244.171.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 201 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for apnic.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 201 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 d.dns-servers.vn. [203.119.44.105] ...took 198 ms
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 177 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 177 msSearching for dns1.vietel.com.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 198 ms
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 177 ms
Nameserver dns1.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 916 ms