Searching for 143.77.96.116.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 143.77.96.116.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for 143.77.96.116.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for ns1.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 143.77.96.116.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for dns1.vietel.com.vn. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for dns1.vietel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 226 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 330 ms
Searching for 143.77.96.116.in-addr.arpa. PTR record at dns1.vietel.com.vn. [203.113.131.1]
...took 332 msSearching for dns1.vietel.com.vn. A record at b.dns-servers.vn. [203.119.73.105] ...took 226 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 330 ms
Nameserver dns1.vietel.com.vn. reports: No such host 143.77.96.116.in-addr.arpa.
Total elapsed query time: 1,777 ms