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 e.in-addr-servers.arpa. [203.119.86.101] ...took 294 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 294 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 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 ns.lacnic.net. [200.3.13.10] ...took 201 ms
Searching for 205.170.244.171.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 206 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 ns.lacnic.net. [200.3.13.10] ...took 201 ms
Searching for dns1.vietel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns1.vietel.com.vn. A record at e.dns-servers.vn. [203.119.60.105] ...took 176 ms
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 178 msSearching for dns1.vietel.com.vn. A record at e.dns-servers.vn. [203.119.60.105] ...took 176 ms
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: 1,307 ms