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

Non-authoritative answer:
Name:	internetspeedtest.com
Address: 13.248.169.48
Name:	internetspeedtest.com
Address: 76.223.54.146
;; communications error to 1.1.1.1#53: timed out