shell:$ nslookup -timeout=2 -retry=1 'courses.marvelousmnemonics.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
courses.marvelousmnemonics.com	canonical name = d3vtnezq0pfk9v.cloudfront.net.
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 108.159.227.55
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 108.159.227.98
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 108.159.227.102
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 108.159.227.129
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:6400:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:6e00:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:f200:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:7400:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:8400:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:8e00:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:4400:7:ec0b:58c0:93a1
Name:	d3vtnezq0pfk9v.cloudfront.net
Address: 2600:9000:233d:1e00:7:ec0b:58c0:93a1