Searching for 240.168.21.120.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 240.168.21.120.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for 240.168.21.120.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 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 h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 240.168.21.120.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 244 msSearching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Nameserver ns1.apnic.net. reports: No such host 240.168.21.120.in-addr.arpa.
Total elapsed query time: 382 ms