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

Non-authoritative answer:
Name:	gravatar.com
Address: 192.0.80.241
Name:	gravatar.com
Address: 192.0.80.239
Name:	gravatar.com
Address: 192.0.80.240
Name:	gravatar.com
Address: 192.0.80.242