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: 44.205.149.188
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 44.196.60.49
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 54.144.163.50
Name:	multi-alb-2-588880418.us-east-1.elb.amazonaws.com
Address: 54.243.103.171