Searching for 12.108.72.147.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 12.108.72.147.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for 12.108.72.147.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for x.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for x.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 146 ms
Searching for 12.108.72.147.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 156 msSearching for x.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 25 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 146 ms
Searching for ns7.oar.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns7.oar.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for ns7.oar.net. A record at ns4.oar.net. [199.18.199.2] ...took 135 ms
Searching for 12.108.72.147.in-addr.arpa. PTR record at ns7.oar.net. [206.244.199.2]
...took 131 msSearching for ns7.oar.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for ns7.oar.net. A record at ns4.oar.net. [199.18.199.2] ...took 135 ms
Nameserver ns7.oar.net. reports: No such host 12.108.72.147.in-addr.arpa.
Total elapsed query time: 804 ms