Searching for 205.170.244.171.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
Timed out while trying to resolve 205.170.244.171.in-addr.arpa./PTR, id=38630Searching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rirns.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 90 msSearching for rirns.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for dns2.vietel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns2.vietel.com.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 200 ms
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 d.dns-servers.vn. [203.119.44.105] ...took 200 ms
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: 2,813 ms