Searching for 181.77.143.128.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 6 ms
Searching for 181.77.143.128.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 181.77.143.128.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for z.arin.net. A record at H.ROOT-SERVERS.NET. [198.97.190.53]
...took 6 ms
Searching for z.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for 181.77.143.128.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 93 msSearching for z.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for nom.virginia.edu. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 31 ms
Searching for nom.virginia.edu. A record at d.edu-servers.net. [192.31.80.30] ...took 24 ms
Searching for nom.virginia.edu. A record at eip-01-aws.net.virginia.edu. [44.234.207.10] ...took 177 ms
Searching for 181.77.143.128.in-addr.arpa. PTR record at nom.virginia.edu. [128.143.107.101]
...took 130 msSearching for nom.virginia.edu. A record at d.edu-servers.net. [192.31.80.30] ...took 24 ms
Searching for nom.virginia.edu. A record at eip-01-aws.net.virginia.edu. [44.234.207.10] ...took 177 ms
Nameserver nom.virginia.edu. reports: No such host 181.77.143.128.in-addr.arpa.
Total elapsed query time: 640 ms