shell:$ nslookup -timeout=2 -retry=1 'www.123.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	www.123.net
Address: 216.109.194.6
Name:	www.123.net
Address: 2607:f790:ffee::1006