Searching for 205.170.244.171.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 187 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 187 ms
Searching for rirns.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for rirns.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 155 msSearching for rirns.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for dns1.vietel.com.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for dns1.vietel.com.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 260 ms
Searching for dns1.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 352 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 342 msSearching for dns1.vietel.com.vn. A record at d.dns-servers.vn. [203.119.44.105] ...took 260 ms
Searching for dns1.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 352 ms
Nameserver dns1.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 1,841 ms