Searching for 10.4.121.31.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 38 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for ns3.lacnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for ns3.lacnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 22 ms
Searching for ns3.lacnic.net. A record at ns4.lacnic.net. [190.112.52.35] ...took 223 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 197 msSearching for ns3.lacnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 22 ms
Searching for ns3.lacnic.net. A record at ns4.lacnic.net. [190.112.52.35] ...took 223 ms
Searching for ns1.bt.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for ns1.bt.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for ns1.bt.net. A record at ns1.bt.net. [217.32.105.91] ...took 29 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at ns1.bt.net. [217.32.105.91]
...took 29 msSearching for ns1.bt.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for ns1.bt.net. A record at ns1.bt.net. [217.32.105.91] ...took 29 ms
Nameserver ns1.bt.net. reports: No such host 10.4.121.31.in-addr.arpa.
Total elapsed query time: 811 ms