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 d.in-addr-servers.arpa. [200.10.60.53] ...took 172 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 172 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at lacnic.authdns.ripe.net. [193.0.9.11] ...took 11 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 202 msSearching for ns3.lacnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at lacnic.authdns.ripe.net. [193.0.9.11] ...took 11 ms
Searching for dns1.vietel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns1.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 7 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 178 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 179 msSearching for dns1.vietel.com.vn. A record at g.dns-servers.vn. [204.61.216.115] ...took 7 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 178 ms
Nameserver dns1.vietel.com.vn. reports: No such host 205.170.244.171.in-addr.arpa.
Total elapsed query time: 983 ms