Searching for 50.184.155.137.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for arin.authdns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for arin.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for arin.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 11 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at arin.authdns.ripe.net. [193.0.9.10]
...took 11 msSearching for arin.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for arin.authdns.ripe.net. A record at manus.authdns.ripe.net. [193.0.9.7] ...took 11 ms
Searching for ns2.cnu.edu. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns2.cnu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns2.cnu.edu. A record at ns4.cnu.edu. [205.251.196.23] ...took 290 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at ns2.cnu.edu. [205.251.195.140]
...took 7 msSearching for ns2.cnu.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns2.cnu.edu. A record at ns4.cnu.edu. [205.251.196.23] ...took 290 ms
Nameserver ns2.cnu.edu. reports: No such host 50.184.155.137.in-addr.arpa.
Total elapsed query time: 472 ms