Searching for 205.170.244.171.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for apnic.authdns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 38 ms
Searching for apnic.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 90 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 e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 90 ms
Searching for dns2.vietel.com.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 38 ms
Searching for dns2.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 22 ms
Searching for dns2.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 199 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns2.vietel.com.vn. [203.113.188.2]
...took 195 msSearching for dns2.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 22 ms
Searching for dns2.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 199 ms
Nameserver dns2.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 1,020 ms