Searching for 21.114.56.151.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 21.114.56.151.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 254 ms
Searching for 21.114.56.151.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 254 ms
Searching for rirns.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for 21.114.56.151.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 155 msSearching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for ns.iunet.it. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns.iunet.it. A record at a.dns.it. [194.0.16.215] ...took 5 ms
Searching for ns.iunet.it. A record at ns.iunet.it. [192.106.1.1] ...took 25 ms
Searching for 21.114.56.151.in-addr.arpa. PTR record at ns.iunet.it. [192.106.1.1]
...took 38 msSearching for ns.iunet.it. A record at a.dns.it. [194.0.16.215] ...took 5 ms
Searching for ns.iunet.it. A record at ns.iunet.it. [192.106.1.1] ...took 25 ms
Nameserver ns.iunet.it. reports: No such host 21.114.56.151.in-addr.arpa.
Total elapsed query time: 533 ms