shell:$ nslookup -timeout=2 -retry=1 'sendgrid.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	sendgrid.com
Address: 3.19.99.151
Name:	sendgrid.com
Address: 3.132.43.163
Name:	sendgrid.com
Address: 3.212.195.190
Name:	sendgrid.com
Address: 34.199.107.131
Name:	sendgrid.com
Address: 18.221.161.88
Name:	sendgrid.com
Address: 54.156.3.86