Searching for 130.50.155.137.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 130.50.155.137.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for 130.50.155.137.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for r.arin.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for r.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 130.50.155.137.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 156 msSearching for r.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for ns2.cnu.edu. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns2.cnu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2.cnu.edu. A record at ns2.cnu.edu. [205.251.195.140] ...took 6 ms
Searching for 130.50.155.137.in-addr.arpa. PTR record at ns2.cnu.edu. [205.251.195.140]
...took 6 msSearching for ns2.cnu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 11 ms
Searching for ns2.cnu.edu. A record at ns2.cnu.edu. [205.251.195.140] ...took 6 ms
Nameserver ns2.cnu.edu. reports: No such host 130.50.155.137.in-addr.arpa.
Total elapsed query time: 326 ms