Searching for 61.57.195.58.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 61.57.195.58.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 61.57.195.58.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
Searching for 61.57.195.58.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 205 ms
Searching for 61.57.195.58.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for ns3.lacnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 198 ms
Searching for 61.57.195.58.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 199 msSearching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 198 ms
Searching for dns5.edu.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns5.edu.cn. A record at e.dns.cn. [203.119.29.1] ...took 22 ms
Searching for 61.57.195.58.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
Searching for dns5.edu.cn. A record at e.dns.cn. [203.119.29.1] ...took 22 ms
Searching for ns2.cuhk.hk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.cuhk.hk. A record at u.hkirc.net.hk. [210.201.138.58] ...took 234 ms
Searching for dns5.edu.cn. A record at ns2.cuhk.hk. [137.189.6.21]
...took 255 msSearching for ns2.cuhk.hk. A record at u.hkirc.net.hk. [210.201.138.58] ...took 234 ms
Searching for dns2.cuhk.edu.hk. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for dns2.cuhk.edu.hk. A record at t.hkirc.net.hk. [202.12.31.53] ...took 17 ms
Searching for dns2.cuhk.edu.hk. A record at dns2.cuhk.edu.hk. [137.189.6.22] ...took 253 ms
Searching for ns2.cuhk.hk. A record at dns2.cuhk.edu.hk. [137.189.6.22]
...took 256 msSearching for dns2.cuhk.edu.hk. A record at t.hkirc.net.hk. [202.12.31.53] ...took 17 ms
Searching for dns2.cuhk.edu.hk. A record at dns2.cuhk.edu.hk. [137.189.6.22] ...took 253 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 61.57.195.58.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.67]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 61.57.195.58.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30] ...took 205 ms
Nameserver dns5.edu.cn. reports: No such host 61.57.195.58.in-addr.arpa.
Total elapsed query time: 5,882 ms