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

Non-authoritative answer:
Name:	ookla.com
Address: 151.101.194.219
Name:	ookla.com
Address: 151.101.130.219
Name:	ookla.com
Address: 151.101.66.219
Name:	ookla.com
Address: 151.101.2.219