shell:$ nslookup -timeout=2 -retry=1 'www.pertamina.co.id'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.pertamina.co.id	canonical name = pertamina.co.id.
Name:	pertamina.co.id
Address: 139.99.32.56