Searching for 139.168.165.137.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 139.168.165.137.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 161 ms
Searching for 139.168.165.137.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 161 ms
Searching for x.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for x.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for x.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for 139.168.165.137.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 155 msSearching for x.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for x.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for lenox.williams.edu. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for lenox.williams.edu. A record at a.edu-servers.net. [192.5.6.30] ...took 24 ms
Searching for lenox.williams.edu. A record at emergency-do.williams.edu. [107.170.218.21] ...took 160 ms
SERVFAIL
Searching for lenox.williams.edu. A record at lenox.williams.edu. [137.165.4.21] ...took 96 ms
Searching for 139.168.165.137.in-addr.arpa. PTR record at lenox.williams.edu. [137.165.4.21]
...took 103 msSearching for lenox.williams.edu. A record at a.edu-servers.net. [192.5.6.30] ...took 24 ms
Searching for lenox.williams.edu. A record at emergency-do.williams.edu. [107.170.218.21] ...took 160 ms
SERVFAIL
Searching for lenox.williams.edu. A record at lenox.williams.edu. [137.165.4.21] ...took 96 ms
Nameserver lenox.williams.edu. reports: No such host 139.168.165.137.in-addr.arpa.
Total elapsed query time: 901 ms