shell:$ nslookup -timeout=2 -retry=1 'rewards.mobilexpression.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
rewards.mobilexpression.com	canonical name = rewards.mobilexpression.com.online-rewards.net.
Name:	rewards.mobilexpression.com.online-rewards.net
Address: 44.254.235.88
Name:	rewards.mobilexpression.com.online-rewards.net
Address: 100.23.119.116