Searching for 121.41.54.121.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 121.41.54.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 18 ms
Searching for 121.41.54.121.in-addr.arpa. PTR record at ns2.smartbro.net. [121.1.3.199] ...took 228 ms
Searching for 121.41.54.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 18 ms
Searching for ns1.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 121.41.54.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 176 msSearching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns3.smartbro.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns3.smartbro.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns3.smartbro.net. A record at ns2.smartbro.net. [121.1.3.199] ...took 200 ms
Searching for 121.41.54.121.in-addr.arpa. PTR record at ns3.smartbro.net. [203.84.191.216]
Searching for ns3.smartbro.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns3.smartbro.net. A record at ns2.smartbro.net. [121.1.3.199] ...took 200 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 121.41.54.121.in-addr.arpa. PTR record at ns2.smartbro.net. [121.1.3.199] ...took 228 ms
Nameserver ns2.smartbro.net. reports: No such host 121.41.54.121.in-addr.arpa.
Total elapsed query time: 2,697 ms