shell:$ nslookup -timeout=2 -retry=1 'buy.realme.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
buy.realme.com	canonical name = sgp-public-realmecom-pubgw-2136014015.ap-southeast-1.elb.amazonaws.com.
Name:	sgp-public-realmecom-pubgw-2136014015.ap-southeast-1.elb.amazonaws.com
Address: 18.142.187.32
Name:	sgp-public-realmecom-pubgw-2136014015.ap-southeast-1.elb.amazonaws.com
Address: 13.228.250.192