Searching for 136.152.57.72.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 136.152.57.72.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 136.152.57.72.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 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 u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 136.152.57.72.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 u.arin.net. [204.61.216.50] ...took 6 ms
Nameserver u.arin.net. reports: No such host 136.152.57.72.in-addr.arpa.
Total elapsed query time: 60 ms