Searching for 121.149.122.112.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 121.149.122.112.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 197 ms
Searching for 121.149.122.112.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 197 ms
Searching for ns2.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 121.149.122.112.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Nameserver ns2.apnic.net. reports: No such host 121.149.122.112.in-addr.arpa.
Total elapsed query time: 256 ms