Searching for 169.137.113.203.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 13 ms
Searching for 169.137.113.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 299 ms
Searching for 169.137.113.203.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 299 ms
Searching for ns1.apnic.net. A record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for ns1.apnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 169.137.113.203.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 165 msSearching for ns1.apnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns1.vietel.com.vn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 30 ms
Searching for dns1.vietel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 188 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 177 ms
Searching for 169.137.113.203.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 175 msSearching for dns1.vietel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 188 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 177 ms
Nameserver dns1.vietel.com.vn. reports: No such host 169.137.113.203.in-addr.arpa.
Total elapsed query time: 1,259 ms