shell:$ nslookup -timeout=2 -retry=1 'merchant.tz.oat.smartphone.m-pesa.com'
Server:		1.1.1.1
Address:	1.1.1.1#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: 52.215.43.75
Name:	smp-merchapp-tz-oat-alb-app-1175251386.eu-west-1.elb.amazonaws.com
Address: 34.250.237.172