Searching for 220.171.56.156.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for y.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for y.arin.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for y.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 140 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 5 msSearching for y.arin.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for y.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 140 ms
Searching for dns3.iu.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for dns3.iu.edu. A record at k.edu-servers.net. [192.52.178.30] ...took 12 ms
Searching for dns3.iu.edu. A record at dns1.iu.edu. [134.68.220.8] ...took 106 ms
Searching for 220.171.56.156.in-addr.arpa. PTR record at dns3.iu.edu. [52.21.18.216]
...took 96 msSearching for dns3.iu.edu. A record at k.edu-servers.net. [192.52.178.30] ...took 12 ms
Searching for dns3.iu.edu. A record at dns1.iu.edu. [134.68.220.8] ...took 106 ms
Nameserver dns3.iu.edu. reports: No such host 220.171.56.156.in-addr.arpa.
Total elapsed query time: 436 ms