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

Non-authoritative answer:
developer.telkomsel.com	canonical name = telkomsel.mashery.com.
telkomsel.mashery.com	canonical name = ptl-dcore-dev-telkomsel-com.ptl.use1.mashery.com.
ptl-dcore-dev-telkomsel-com.ptl.use1.mashery.com	canonical name = ptl-dcore-dev-telkomsel-com-2038382876.us-east-1.elb.amazonaws.com.
Name:	ptl-dcore-dev-telkomsel-com-2038382876.us-east-1.elb.amazonaws.com
Address: 44.208.42.21
Name:	ptl-dcore-dev-telkomsel-com-2038382876.us-east-1.elb.amazonaws.com
Address: 54.243.155.252
Name:	ptl-dcore-dev-telkomsel-com-2038382876.us-east-1.elb.amazonaws.com
Address: 34.201.85.222