Searching for 121.78.31.2.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 121.78.31.2.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 273 ms
Searching for 121.78.31.2.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 273 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rirns.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 121.78.31.2.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 91 msSearching for rirns.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Nameserver rirns.arin.net. reports: No such host 121.78.31.2.in-addr.arpa.
Total elapsed query time: 405 ms