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 c.in-addr-servers.arpa. [196.216.169.10] ...took 165 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 165 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 13 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 13 ms
Searching for dns2.vietel.com.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for dns2.vietel.com.vn. A record at a.dns-servers.vn. [194.0.1.18] ...took 17 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 176 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns2.vietel.com.vn. [203.113.188.2]
...took 159 msSearching for dns2.vietel.com.vn. A record at a.dns-servers.vn. [194.0.1.18] ...took 17 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 176 ms
Nameserver dns2.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 827 ms