Searching for 121.120.57.193.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 121.120.57.193.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 121.120.57.193.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns4.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns4.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 121.120.57.193.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 16 msSearching for ns4.apnic.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for ldnsse1p.e-i.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for ldnsse1p.e-i.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for ldnsse1p.e-i.net. A record at ldnsse2p.e-i.net. [145.226.30.70] ...took 22 ms
Searching for 121.120.57.193.in-addr.arpa. PTR record at ldnsse1p.e-i.net. [145.226.30.71]
...took 22 msSearching for ldnsse1p.e-i.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for ldnsse1p.e-i.net. A record at ldnsse2p.e-i.net. [145.226.30.70] ...took 22 ms
Nameserver ldnsse1p.e-i.net. reports: No such host 121.120.57.193.in-addr.arpa.
Total elapsed query time: 153 ms