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 b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 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 b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 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 a.edu-servers.net. [192.5.6.30] ...took 24 ms
Searching for dns-ext2.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 124 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at dns-ext2.niu.edu. [131.156.16.12]
...took 124 msSearching for dns-ext2.niu.edu. A record at a.edu-servers.net. [192.5.6.30] ...took 24 ms
Searching for dns-ext2.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 124 ms
Nameserver dns-ext2.niu.edu. reports: No such host 115.81.156.131.in-addr.arpa.
Total elapsed query time: 452 ms