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

Non-authoritative answer:
www.heytap.com	canonical name = sgp-oop-heytap-pubgw-1203001355.ap-southeast-1.elb.amazonaws.com.
Name:	sgp-oop-heytap-pubgw-1203001355.ap-southeast-1.elb.amazonaws.com
Address: 13.213.172.30
Name:	sgp-oop-heytap-pubgw-1203001355.ap-southeast-1.elb.amazonaws.com
Address: 13.214.21.183