Searching for 20.125.8.168.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 20.125.8.168.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 20.125.8.168.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 I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for z.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for z.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 20.125.8.168.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 155 msSearching for z.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for z.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for ns1.usg.edu. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 20 ms
Searching for ns1.usg.edu. A record at g.edu-servers.net. [192.42.93.30] ...took 5 ms
Searching for ns1.usg.edu. A record at ns2.usg.edu. [131.144.4.9] ...took 120 ms
Searching for 20.125.8.168.in-addr.arpa. PTR record at ns1.usg.edu. [198.72.72.10]
...took 109 msSearching for ns1.usg.edu. A record at g.edu-servers.net. [192.42.93.30] ...took 5 ms
Searching for ns1.usg.edu. A record at ns2.usg.edu. [131.144.4.9] ...took 120 ms
Nameserver ns1.usg.edu. reports: No such host 20.125.8.168.in-addr.arpa.
Total elapsed query time: 554 ms