Searching for 115.81.156.131.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 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 f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 18 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 7 msSearching for y.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 18 ms
Searching for dns-ext2.niu.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns-ext2.niu.edu. A record at g.edu-servers.net. [192.42.93.30] ...took 7 ms
Searching for dns-ext2.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 103 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at dns-ext2.niu.edu. [131.156.16.12]
...took 104 msSearching for dns-ext2.niu.edu. A record at g.edu-servers.net. [192.42.93.30] ...took 7 ms
Searching for dns-ext2.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 103 ms
Nameserver dns-ext2.niu.edu. reports: No such host 115.81.156.131.in-addr.arpa.
Total elapsed query time: 381 ms