shell:$ nslookup -timeout=2 -retry=1 'auth.aws.amazon.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
auth.aws.amazon.com	canonical name = auth.cname-proxy.amazon.com.
auth.cname-proxy.amazon.com	canonical name = d324ifndrvmero.cloudfront.net.
Name:	d324ifndrvmero.cloudfront.net
Address: 54.192.55.48
Name:	d324ifndrvmero.cloudfront.net
Address: 54.192.55.70
Name:	d324ifndrvmero.cloudfront.net
Address: 54.192.55.75
Name:	d324ifndrvmero.cloudfront.net
Address: 54.192.55.7
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:1200:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:ca00:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:4200:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:d000:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:2e00:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:c00:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:8e00:b:8f13:d100:93a1
Name:	d324ifndrvmero.cloudfront.net
Address: 2600:9000:2882:f000:b:8f13:d100:93a1