shell:$ nslookup -timeout=2 -retry=1 'api2.twilio.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
api2.twilio.com	canonical name = er-cell0.edge.prod.twilio.com.
Name:	er-cell0.edge.prod.twilio.com
Address: 35.168.222.240
Name:	er-cell0.edge.prod.twilio.com
Address: 52.6.206.82
Name:	er-cell0.edge.prod.twilio.com
Address: 44.199.52.48