shell:$ nslookup -timeout=2 -retry=1 'www.heytap.com'
Server:		1.1.1.1
Address:	1.1.1.1#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: 52.76.218.153
Name:	sgp-oop-heytap-pubgw-1203001355.ap-southeast-1.elb.amazonaws.com
Address: 175.41.164.63