Searching for 250.164.10.168.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for 250.164.10.168.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 181 ms
Searching for 250.164.10.168.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 181 ms
Searching for u.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 152 ms
Searching for 250.164.10.168.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 152 ms
Searching for ns2.usg.edu. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns2.usg.edu. A record at i.edu-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns2.usg.edu. A record at ns2.usg.edu. [131.144.4.9] ...took 120 ms
Searching for 250.164.10.168.in-addr.arpa. PTR record at ns2.usg.edu. [131.144.4.9]
...took 119 msSearching for ns2.usg.edu. A record at i.edu-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns2.usg.edu. A record at ns2.usg.edu. [131.144.4.9] ...took 120 ms
Nameserver ns2.usg.edu. reports: No such host 250.164.10.168.in-addr.arpa.
Total elapsed query time: 636 ms