Searching for 120.16.124.221.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 120.16.124.221.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 120.16.124.221.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 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 a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 120.16.124.221.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Nameserver ns2.apnic.net. reports: No such host 120.16.124.221.in-addr.arpa.
Total elapsed query time: 78 ms