shell:$ nslookup -timeout=2 -retry=1 'oakstreethealth.fexa.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
oakstreethealth.fexa.io	canonical name = multi-alb-2-588880418.us-east-1.elb.amazonaws.com.
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 3.210.115.233
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 52.204.226.179
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 3.224.230.137
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 52.200.130.40