Searching for 50.184.155.137.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 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 r.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for r.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for r.arin.net. A record at u.arin.net. [204.61.216.50] ...took 5 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 92 msSearching for r.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for r.arin.net. A record at u.arin.net. [204.61.216.50] ...took 5 ms
Searching for ns3.cnu.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.cnu.edu. A record at i.edu-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns3.cnu.edu. A record at ns4.cnu.edu. [205.251.196.23] ...took 22 ms
Searching for 50.184.155.137.in-addr.arpa. PTR record at ns3.cnu.edu. [205.251.192.242]
...took 11 msSearching for ns3.cnu.edu. A record at i.edu-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns3.cnu.edu. A record at ns4.cnu.edu. [205.251.196.23] ...took 22 ms
Nameserver ns3.cnu.edu. reports: No such host 50.184.155.137.in-addr.arpa.
Total elapsed query time: 222 ms