Searching for 42.16.143.136.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for 42.16.143.136.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 263 ms
Searching for 42.16.143.136.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 263 ms
Searching for u.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for 42.16.143.136.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 13 msSearching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Nameserver u.arin.net. reports: No such host 42.16.143.136.in-addr.arpa.
Total elapsed query time: 319 ms