Searching for 115.81.156.131.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 291 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 291 ms
Searching for z.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for z.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for z.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 90 msSearching for z.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for z.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for dns-ext1.niu.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns-ext1.niu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for dns-ext1.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 120 ms
Searching for 115.81.156.131.in-addr.arpa. PTR record at dns-ext1.niu.edu. [131.156.16.11]
...took 120 msSearching for dns-ext1.niu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for dns-ext1.niu.edu. A record at dns-ext2.niu.edu. [131.156.16.12] ...took 120 ms
Nameserver dns-ext1.niu.edu. reports: No such host 115.81.156.131.in-addr.arpa.
Total elapsed query time: 695 ms