Searching for 24.161.140.219.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 14 ms
Searching for 24.161.140.219.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 120 ms
Searching for 24.161.140.219.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 120 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 14 ms
Searching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 24.161.140.219.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53] 
...took 227 msSearching for ns1.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns1.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for ns.wuhan.net.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for ns.wuhan.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 7 ms
Searching for ns.wuhan.net.cn. A record at ns.hbwhptt.net.cn. [202.103.0.68] ...took 178 ms
Searching for 24.161.140.219.in-addr.arpa. PTR record at ns.wuhan.net.cn. [202.103.0.68] 
...took 212 msSearching for ns.wuhan.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 7 ms
Searching for ns.wuhan.net.cn. A record at ns.hbwhptt.net.cn. [202.103.0.68] ...took 178 ms
Nameserver ns.wuhan.net.cn. reports: No such host 24.161.140.219.in-addr.arpa.
Total elapsed query time: 804 ms
