shell:$ nslookup -timeout=2 -retry=1 'api.heroku.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
api.heroku.com	canonical name = mgd.5ecc2.prd.heroku.com.
mgd.5ecc2.prd.heroku.com	canonical name = mgd.36c1d.va.prd.heroku.com.
mgd.36c1d.va.prd.heroku.com	canonical name = pure-cove-8851.polar-sands-8845.herokuspace.com.
Name:	pure-cove-8851.polar-sands-8845.herokuspace.com
Address: 34.203.48.122
Name:	pure-cove-8851.polar-sands-8845.herokuspace.com
Address: 3.208.120.113
Name:	pure-cove-8851.polar-sands-8845.herokuspace.com
Address: 52.70.88.168