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

Non-authoritative answer:
dcore-dev.telkomsel.com	canonical name = dcore-dev.telkomsel.com.cdn.cloudflare.net.
Name:	dcore-dev.telkomsel.com.cdn.cloudflare.net
Address: 104.18.28.221
Name:	dcore-dev.telkomsel.com.cdn.cloudflare.net
Address: 104.18.29.221