Searching for 10.4.121.31.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns3.afrinic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns3.afrinic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 14 msSearching for ns3.afrinic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns2.bt.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns2.bt.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.bt.net. A record at ns2.bt.net. [217.32.105.90] ...took 29 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at ns2.bt.net. [217.32.105.90]
...took 29 msSearching for ns2.bt.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for ns2.bt.net. A record at ns2.bt.net. [217.32.105.90] ...took 29 ms
Nameserver ns2.bt.net. reports: No such host 10.4.121.31.in-addr.arpa.
Total elapsed query time: 253 ms