shell:$ nslookup -timeout=2 -retry=1 'telstra.demdex.net'
Server:		75.98.161.224
Address:	75.98.161.224#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: 100.51.39.38
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.73.239.233
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.5.69.96
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 23.23.51.232
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 3.223.63.107
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.0.158.58
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 100.50.141.96
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 18.211.65.220