shell:$ nslookup -timeout=2 -retry=1 'www2.assets.heroku.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www2.assets.heroku.com	canonical name = d378b2dm1308t9.cloudfront.net.
Name:	d378b2dm1308t9.cloudfront.net
Address: 13.225.196.88
Name:	d378b2dm1308t9.cloudfront.net
Address: 13.225.196.121
Name:	d378b2dm1308t9.cloudfront.net
Address: 13.225.196.37
Name:	d378b2dm1308t9.cloudfront.net
Address: 13.225.196.103