shell:$ nslookup -timeout=2 -retry=1 'exchanges.state.gov'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
exchanges.state.gov	canonical name = eca01-1543498885.us-east-1.elb.amazonaws.com.
Name:	eca01-1543498885.us-east-1.elb.amazonaws.com
Address: 100.24.95.217
Name:	eca01-1543498885.us-east-1.elb.amazonaws.com
Address: 44.196.86.117