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

Non-authoritative answer:
www.edu.com	canonical name = apisix-public-lb-prod-f873d4bbd1219448.elb.us-west-2.amazonaws.com.
Name:	apisix-public-lb-prod-f873d4bbd1219448.elb.us-west-2.amazonaws.com
Address: 100.21.103.210
Name:	apisix-public-lb-prod-f873d4bbd1219448.elb.us-west-2.amazonaws.com
Address: 100.20.223.177