Searching for 171.2.40.72.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 17 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 17 ms
Searching for u.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 13 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 11 ms
Nameserver u.arin.net. reports: No such host 171.2.40.72.in-addr.arpa.
Total elapsed query time: 76 ms