PTR

ec2-54-172-238-193.compute-1.amazonaws.com

A record for

`ec2-54-172-238-193.compute-1.amazonaws.com`
	A	54.172.238.193
`parseapi-io2-1525828918.us-east-1.elb.amazonaws.com`
	A	44.216.232.139
	A	52.54.221.141
`dualstack.parseapi-io2-1525828918.us-east-1.elb.amazonaws.com`
	A	2406:da00:ff00::2cd8:e88b
	A	2406:da00:ff00::3436:dd8d
	A	44.216.232.139
	A	52.54.221.141

course.media

Ashburn, Virginia, 🇺🇸 USA

^{🇺🇸 Amazon54.172.0.0/15 EC2 IAD prefix}