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

Non-authoritative answer:
Name:	fortiguard.com
Address: 72.1.79.5
Name:	fortiguard.com
Address: 2620:101:9005:101::169