shell:$ nslookup -timeout=2 -retry=1 'cf-images.us-east-1.prod.boltdns.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
cf-images.us-east-1.prod.boltdns.net	canonical name = cf-images.us-east-1.prod-a.boltdns.net.
cf-images.us-east-1.prod-a.boltdns.net	canonical name = dh29jf0q5erm3.cloudfront.net.
Name:	dh29jf0q5erm3.cloudfront.net
Address: 3.171.117.63
Name:	dh29jf0q5erm3.cloudfront.net
Address: 3.171.117.42
Name:	dh29jf0q5erm3.cloudfront.net
Address: 3.171.117.97
Name:	dh29jf0q5erm3.cloudfront.net
Address: 3.171.117.22