Searching for 171.2.40.72.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 185 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 185 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for u.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 171.2.40.72.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 6 msSearching for u.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for u.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Nameserver u.arin.net. reports: No such host 171.2.40.72.in-addr.arpa.
Total elapsed query time: 239 ms