shell:$ nslookup -timeout=2 -retry=1 'tsock.us1.twilio.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
tsock.us1.twilio.com	canonical name = tsock.us1.api-lb.twilio.com.
tsock.us1.api-lb.twilio.com	canonical name = self-healing.rtd-twilsock-edge.us1.api-lb.twilio.com.
self-healing.rtd-twilsock-edge.us1.api-lb.twilio.com	canonical name = rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com.
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 18.214.61.47
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 52.200.122.239
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 54.87.120.98
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 107.21.62.108
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 100.51.94.198
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 34.230.177.185
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 100.31.11.195
Name:	rtd-twilsock-b-418010594.us-east-1.elb.amazonaws.com
Address: 54.167.90.7