Searching for 30.52.72.122.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 30.52.72.122.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for 30.52.72.122.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for ns3.lacnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns3.lacnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 195 ms
Searching for 30.52.72.122.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 193 msSearching for ns3.lacnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for ns3.lacnic.net. A record at ns2.lacnic.net. [200.3.13.11] ...took 195 ms
Searching for a.in-addr.cn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for a.in-addr.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for 30.52.72.122.in-addr.arpa. PTR record at a.in-addr.cn. [203.119.25.3]
...took 228 msSearching for a.in-addr.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Nameserver a.in-addr.cn. reports: No such host 30.52.72.122.in-addr.arpa.
Total elapsed query time: 840 ms