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

Non-authoritative answer:
nga.celcomdigi.com	canonical name = nga-ba-Publi-ZUW7RGpIeorz-858721497.ap-southeast-1.elb.amazonaws.com.
Name:	nga-ba-Publi-ZUW7RGpIeorz-858721497.ap-southeast-1.elb.amazonaws.com
Address: 18.136.31.104
Name:	nga-ba-Publi-ZUW7RGpIeorz-858721497.ap-southeast-1.elb.amazonaws.com
Address: 52.76.118.183
Name:	nga-ba-Publi-ZUW7RGpIeorz-858721497.ap-southeast-1.elb.amazonaws.com
Address: 18.138.218.143