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

Non-authoritative answer:
api.heroku.com	canonical name = dvqvzogr4jyz0.cloudfront.net.
Name:	dvqvzogr4jyz0.cloudfront.net
Address: 13.225.196.124
Name:	dvqvzogr4jyz0.cloudfront.net
Address: 13.225.196.39
Name:	dvqvzogr4jyz0.cloudfront.net
Address: 13.225.196.99
Name:	dvqvzogr4jyz0.cloudfront.net
Address: 13.225.196.50