shell:$ nslookup -timeout=2 -retry=1 'merchant.tz.oat.smartphone.m-pesa.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
merchant.tz.oat.smartphone.m-pesa.com	canonical name = smp-merchapp-tz-oat-alb-app-1175251386.eu-west-1.elb.amazonaws.com.
Name:	smp-merchapp-tz-oat-alb-app-1175251386.eu-west-1.elb.amazonaws.com
Address: 52.214.82.94
Name:	smp-merchapp-tz-oat-alb-app-1175251386.eu-west-1.elb.amazonaws.com
Address: 52.210.153.101