Yep $ host news.ycombinator.com news.ycombinator.com has address 50.112.136.166 $ host 50.112.136.166 166.136.112.50.in-addr.arpa domain name pointe

Yep $ host news.ycombinator.com news.ycombinator.com has address 50.112.136.166 $ host 50.112.136.166 166.136.112.50.in-addr.arpa domain name pointer ec2-50-112-136-166.us-west-2.compute.amazonaws.com.