Searching for 7.249.74.27.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 7.249.74.27.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 7.249.74.27.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 7.249.74.27.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 227 msSearching for ns1.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns2.vietel.com.vn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns2.vietel.com.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 191 ms
Searching for dns2.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 177 ms
Searching for 7.249.74.27.in-addr.arpa. PTR record at dns2.vietel.com.vn. [203.113.188.2]
...took 158 msSearching for dns2.vietel.com.vn. A record at h.dns-servers.vn. [202.47.142.105] ...took 191 ms
Searching for dns2.vietel.com.vn. A record at dns2.vietel.com.vn. [203.113.131.2] No route to host
Searching for dns2.vietel.com.vn. A record at dns1.vietel.com.vn. [203.113.131.1] ...took 177 ms
Nameserver dns2.vietel.com.vn. reports: No such host 7.249.74.27.in-addr.arpa.
Total elapsed query time: 1,004 ms