Searching for 212.8.251.131.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 212.8.251.131.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 212.8.251.131.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for y.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for y.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 212.8.251.131.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for ns1.cf.ac.uk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns1.cf.ac.uk. A record at nsc.nic.uk. [156.154.102.3] ...took 5 ms
Searching for 212.8.251.131.in-addr.arpa. PTR record at ns1.cf.ac.uk. [131.251.133.20]
...took 29 msSearching for ns1.cf.ac.uk. A record at nsc.nic.uk. [156.154.102.3] ...took 5 ms
Searching for ns0.ja.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns0.ja.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for ns0.ja.net. A record at ns4.ja.net. [193.62.157.66] ...took 24 ms
Searching for ns1.cf.ac.uk. A record at ns0.ja.net. [128.86.1.20]
...took 21 msSearching for ns0.ja.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for ns0.ja.net. A record at ns4.ja.net. [193.62.157.66] ...took 24 ms
Searching for ns3.ja.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.ja.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns3.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 27 ms
Searching for ns1.cf.ac.uk. A record at ns3.ja.net. [193.63.106.103]
...took 36 msSearching for ns3.ja.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns3.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 27 ms
Nameserver ns1.cf.ac.uk. reports: No such host 212.8.251.131.in-addr.arpa.
Total elapsed query time: 284 ms