Searching for 226.16.105.162.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 226.16.105.162.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for 226.16.105.162.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for arin.authdns.ripe.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for arin.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for arin.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 11 ms
Searching for 226.16.105.162.in-addr.arpa. PTR record at arin.authdns.ripe.net. [193.0.9.10]
...took 12 msSearching for arin.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for arin.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 11 ms
Searching for sun1000e.pku.edu.cn. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for sun1000e.pku.edu.cn. A record at d.dns.cn. [203.119.28.1] ...took 24 ms
Searching for sun1000e.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 206 ms
Searching for 226.16.105.162.in-addr.arpa. PTR record at sun1000e.pku.edu.cn. [162.105.129.26]
Searching for sun1000e.pku.edu.cn. A record at d.dns.cn. [203.119.28.1] ...took 24 ms
Searching for ns2.cernet.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns2.cernet.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns2.cernet.net. A record at dns.cernet.net. [202.38.109.35] ...took 201 ms
Searching for sun1000e.pku.edu.cn. A record at ns2.cernet.net. [103.137.60.203]
...took 201 msSearching for ns2.cernet.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns2.cernet.net. A record at dns.cernet.net. [202.38.109.35] ...took 201 ms
Searching for sun1000e.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 206 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...
Searching for pkuns.pku.edu.cn. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for pkuns.pku.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for pkuns.pku.edu.cn. A record at dns2.edu.cn. [202.112.0.13] ...took 222 ms
Searching for pkuns.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 205 ms
Searching for 226.16.105.162.in-addr.arpa. PTR record at pkuns.pku.edu.cn. [162.105.129.27]
...took 206 msSearching for pkuns.pku.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for pkuns.pku.edu.cn. A record at dns2.edu.cn. [202.112.0.13] ...took 222 ms
Searching for pkuns.pku.edu.cn. A record at dns.pku.edu.cn. [162.105.129.26] ...took 205 ms
Nameserver pkuns.pku.edu.cn. reports: No such host 226.16.105.162.in-addr.arpa.
Total elapsed query time: 3,582 ms