Searching for 16.21.91.45.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 16.21.91.45.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 152 ms
Searching for 16.21.91.45.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 152 ms
Searching for x.arin.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for x.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 16.21.91.45.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 156 msSearching for x.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Nameserver x.arin.net. reports: No such host 16.21.91.45.in-addr.arpa.
Total elapsed query time: 435 ms