shell:$ nslookup -timeout=2 -retry=1 'telstra.demdex.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
telstra.demdex.net	canonical name = gslb-2.demdex.net.
gslb-2.demdex.net	canonical name = edge-va6.demdex.net.
edge-va6.demdex.net	canonical name = dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com.
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 54.237.185.58
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 44.221.17.232
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 44.212.203.224
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 44.209.28.12
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.55.140.191
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 44.205.88.28
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.0.77.147
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 34.234.187.189