Searching for 215.224.78.115.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 215.224.78.115.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 118 ms
Searching for 215.224.78.115.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 118 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 234 ms
Searching for 215.224.78.115.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 234 ms
Searching for dns1.viettel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns1.viettel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 196 ms
Searching for dns1.viettel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.viettel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 178 ms
Searching for 215.224.78.115.in-addr.arpa. PTR record at dns1.viettel.com.vn. [203.113.131.1]
...took 176 msSearching for dns1.viettel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 196 ms
Searching for dns1.viettel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns1.viettel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 178 ms
Nameserver dns1.viettel.com.vn. reports: No such host 215.224.78.115.in-addr.arpa.
Total elapsed query time: 1,116 ms