Searching for 71.4.229.121.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for 71.4.229.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 13 ms
Searching for 71.4.229.121.in-addr.arpa. PTR record at ns.jsinfo.net. [221.228.255.2] ...took 256 ms
Searching for 71.4.229.121.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 13 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 71.4.229.121.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns.ptt.js.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns.ptt.js.cn. A record at ns.cernet.net. [202.112.0.44] ...took 227 ms
Searching for 71.4.229.121.in-addr.arpa. PTR record at ns.ptt.js.cn. [218.2.135.2]
Searching for ns.ptt.js.cn. A record at ns.cernet.net. [202.112.0.44] ...took 227 ms
Searching for ns.jsinfo.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns.jsinfo.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns.jsinfo.net. A record at ns.ptt.js.cn. [218.2.135.2] ...took 252 ms
Searching for ns.ptt.js.cn. A record at ns.jsinfo.net. [221.228.255.2]
...took 236 msSearching for ns.jsinfo.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns.jsinfo.net. A record at ns.ptt.js.cn. [218.2.135.2] ...took 252 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 71.4.229.121.in-addr.arpa. PTR record at ns.jsinfo.net. [221.228.255.2] ...took 256 ms
Nameserver ns.jsinfo.net. reports: No such host 71.4.229.121.in-addr.arpa.
Total elapsed query time: 3,269 ms