shell:$ nslookup -timeout=2 -retry=1 'safaricom.demdex.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
safaricom.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: 54.147.140.210
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 44.206.51.180
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 3.219.38.187
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 34.234.33.58
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 54.209.185.119
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 54.163.5.221
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 54.156.65.71
Name:	dcs-public-edge-va6-158015560.us-east-1.elb.amazonaws.com
Address: 3.95.36.151