Searching for 10.4.121.31.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.lacnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at ns.lacnic.net. [200.3.13.10] ...took 206 ms
Searching for 10.4.121.31.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 207 msSearching for ns3.lacnic.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 31 ms
Searching for ns3.lacnic.net. A record at ns.lacnic.net. [200.3.13.10] ...took 206 ms
Searching for ns0.bt.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns0.bt.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns0.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 ns0.bt.net. [217.35.209.188]
...took 26 msSearching for ns0.bt.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns0.bt.net. A record at ns1.bt.net. [217.32.105.91] ...took 29 ms
Nameserver ns0.bt.net. reports: No such host 10.4.121.31.in-addr.arpa.
Total elapsed query time: 639 ms