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: 3.232.175.122
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: 35.171.181.206
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 54.173.13.121
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.206.183.79
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 52.20.167.116
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 3.232.126.93
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 18.211.65.220