Searching for 166.140.238.221.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 166.140.238.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 263 ms
Searching for 166.140.238.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 263 ms
Searching for ns1.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns1.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 10 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 5 ms
Searching for 166.140.238.221.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 10 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 5 ms
Searching for dns1.ctnt.com.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for dns1.ctnt.com.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for dns1.ctnt.com.cn. A record at dns1.ctnt.com.cn. [219.150.32.142] ...took 245 ms
Searching for 166.140.238.221.in-addr.arpa. PTR record at dns1.ctnt.com.cn. [219.150.32.142]
...took 232 msSearching for dns1.ctnt.com.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for dns1.ctnt.com.cn. A record at dns1.ctnt.com.cn. [219.150.32.142] ...took 245 ms
Nameserver dns1.ctnt.com.cn. reports: No such host 166.140.238.221.in-addr.arpa.
Total elapsed query time: 1,011 ms