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

Non-authoritative answer:
Name:	speedtest.batam.telkomsel.com
Address: 182.2.1.21
Name:	speedtest.batam.telkomsel.com
Address: 2404:c0:5000:6::9