Searching for 54.220.237.50.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 204 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 204 ms
Searching for x.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for x.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for x.arin.net. A record at u.arin.net. [204.61.216.50] ...took 5 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 91 msSearching for x.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for x.arin.net. A record at u.arin.net. [204.61.216.50] ...took 5 ms
Searching for dns104.comcast.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns104.comcast.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for dns104.comcast.net. A record at dns105.comcast.net. [68.87.72.244] ...took 111 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at dns104.comcast.net. [68.87.68.244]
...took 111 msSearching for dns104.comcast.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for dns104.comcast.net. A record at dns105.comcast.net. [68.87.72.244] ...took 111 ms
Nameserver dns104.comcast.net. reports: No such host 54.220.237.50.in-addr.arpa.
Total elapsed query time: 584 ms