shell:$ nslookup -timeout=2 -retry=1 'telkomsel.ymail.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
telkomsel.ymail.com	canonical name = rc.yahoo.com.
rc.yahoo.com	canonical name = global-accelerator.dns-rc.aws.oath.cloud.
global-accelerator.dns-rc.aws.oath.cloud	canonical name = a7de0457831fd11f7.awsglobalaccelerator.com.
Name:	a7de0457831fd11f7.awsglobalaccelerator.com
Address: 13.248.158.7
Name:	a7de0457831fd11f7.awsglobalaccelerator.com
Address: 76.223.84.192