Searching for 192.248.105.162.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 192.248.105.162.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 192.248.105.162.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for y.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for y.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for y.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for 192.248.105.162.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 11 msSearching for y.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for y.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for ns.pku.edu.cn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns.pku.edu.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.pku.edu.cn. A record at dns.edu.cn. [202.38.109.35] ...took 199 ms
Searching for ns.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 204 ms
Searching for 192.248.105.162.in-addr.arpa. PTR record at ns.pku.edu.cn. [162.105.129.130]
...took 203 msSearching for ns.pku.edu.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.pku.edu.cn. A record at dns.edu.cn. [202.38.109.35] ...took 199 ms
Searching for ns.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 204 ms
Nameserver ns.pku.edu.cn. reports: No such host 192.248.105.162.in-addr.arpa.
Total elapsed query time: 1,020 ms