shell:$ nslookup -timeout=2 -retry=1 'smartfren.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	smartfren.net
Address: 153.92.10.39
Name:	smartfren.net
Address: 2a02:4780:6:1465:0:3283:ec8d:3