Searching for 21.47.207.221.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 21.47.207.221.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 21.47.207.221.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for apnic.authdns.ripe.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 155 ms
Searching for 21.47.207.221.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 155 ms
Nameserver apnic.authdns.ripe.net. reports: No such host 21.47.207.221.in-addr.arpa.
Total elapsed query time: 218 ms