Searching for 37.163.12.221.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 37.163.12.221.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 168 ms
Searching for 37.163.12.221.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 168 ms
Searching for ns2.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns2.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for 37.163.12.221.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms
Searching for nbdns.zjnetcom.com. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for nbdns.zjnetcom.com. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for nbdns.zjnetcom.com. A record at nbdns.zjnetcom.com. [221.12.33.228] ...took 175 ms
Searching for 37.163.12.221.in-addr.arpa. PTR record at nbdns.zjnetcom.com. [221.12.33.228]
...took 172 msSearching for nbdns.zjnetcom.com. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for nbdns.zjnetcom.com. A record at nbdns.zjnetcom.com. [221.12.33.228] ...took 175 ms
Nameserver nbdns.zjnetcom.com. reports: No such host 37.163.12.221.in-addr.arpa.
Total elapsed query time: 610 ms