Searching for 54.220.237.50.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 34 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for x.arin.net. A record at F.ROOT-SERVERS.NET. [192.5.5.241]
...took 6 ms
Searching for x.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for x.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 165 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 90 msSearching for x.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for x.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 165 ms
Searching for dns103.comcast.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 12 ms
Searching for dns103.comcast.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for dns103.comcast.net. A record at dns101.comcast.net. [69.252.250.103] ...took 99 ms
Searching for 54.220.237.50.in-addr.arpa. PTR record at dns103.comcast.net. [68.87.76.228]
...took 163 msSearching for dns103.comcast.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for dns103.comcast.net. A record at dns101.comcast.net. [69.252.250.103] ...took 99 ms
Nameserver dns103.comcast.net. reports: No such host 54.220.237.50.in-addr.arpa.
Total elapsed query time: 690 ms