shell:$ nslookup -timeout=2 -retry=1 'httpdns-push.heytapmobile.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
httpdns-push.heytapmobile.com	canonical name = external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com.
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 54.205.70.187
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 52.21.153.230
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 98.95.248.15
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 34.233.129.209
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 34.236.173.84
Name:	external-public-alb-heytappro-868452860.us-east-1.elb.amazonaws.com
Address: 35.174.210.18