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

Non-authoritative answer:
Name:	salesforce.com
Address: 23.1.35.132
Name:	salesforce.com
Address: 184.31.3.130
Name:	salesforce.com
Address: 23.1.106.133
Name:	salesforce.com
Address: 104.109.10.129
Name:	salesforce.com
Address: 104.109.11.129
Name:	salesforce.com
Address: 184.31.10.133
Name:	salesforce.com
Address: 23.1.99.130
Name:	salesforce.com
Address: 184.25.179.132