shell:$ nslookup -timeout=2 -retry=1 'www.vnnic.vn'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	www.vnnic.vn
Address: 203.119.73.25
Name:	www.vnnic.vn
Address: 2001:dc8:1:2::25