shell:$ nslookup -timeout=2 -retry=1 'ic-in-f121.1e100.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ic-in-f121.1e100.net
Address: 142.251.6.121
Name:	ic-in-f121.1e100.net
Address: 2607:f8b0:4001:c5a::79