Searching for 37.47.143.136.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 37.47.143.136.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 37.47.143.136.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for u.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Searching for 37.47.143.136.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 12 msSearching for u.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Nameserver u.arin.net. reports: No such host 37.47.143.136.in-addr.arpa.
Total elapsed query time: 365 ms