Searching for 18.30.184.139.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 18.30.184.139.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 18.30.184.139.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for u.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 155 ms
Searching for 18.30.184.139.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 6 msSearching for u.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 155 ms
Searching for ns2.susx.ac.uk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.susx.ac.uk. A record at nsd.nic.uk. [156.154.103.3] ...took 12 ms
Searching for 18.30.184.139.in-addr.arpa. PTR record at ns2.susx.ac.uk. [139.184.32.26]
...took 27 msSearching for ns2.susx.ac.uk. A record at nsd.nic.uk. [156.154.103.3] ...took 12 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 j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns3.ja.net. A record at ns4.ja.net. [193.62.157.66] ...took 26 ms
Searching for ns2.susx.ac.uk. A record at ns3.ja.net. [193.63.106.103]
...took 36 msSearching for ns3.ja.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns3.ja.net. A record at ns4.ja.net. [193.62.157.66] ...took 26 ms
Nameserver ns2.susx.ac.uk. reports: No such host 18.30.184.139.in-addr.arpa.
Total elapsed query time: 345 ms