shell:$ nslookup -timeout=2 -retry=1 'myumobileapp.u.com.my'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
myumobileapp.u.com.my	canonical name = d-zsnt9wy3x6.execute-api.ap-southeast-5.amazonaws.com.
Name:	d-zsnt9wy3x6.execute-api.ap-southeast-5.amazonaws.com
Address: 56.68.32.57