shell:$ nslookup -timeout=2 -retry=1 'sparkpost.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	sparkpost.com
Address: 3.167.37.15
Name:	sparkpost.com
Address: 3.167.37.129
Name:	sparkpost.com
Address: 3.167.37.36
Name:	sparkpost.com
Address: 3.167.37.55