Searching for 220.171.56.156.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 246 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 246 ms
Searching for x.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for x.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 156 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 93 msSearching for x.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 156 ms
Searching for dns3.iu.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns3.iu.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 24 ms
Searching for dns3.iu.edu. A record at dns2.iu.edu. [129.79.50.150] ...took 113 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at dns3.iu.edu. [52.21.18.216]
...took 102 msSearching for dns3.iu.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 24 ms
Searching for dns3.iu.edu. A record at dns2.iu.edu. [129.79.50.150] ...took 113 ms
Nameserver dns3.iu.edu. reports: No such host 220.171.56.156.in-addr.arpa.
Total elapsed query time: 784 ms