shell:$ nslookup -timeout=2 -retry=1 'mtninapps.whappsflyer.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	mtninapps.whappsflyer.com
Address: 162.159.140.158
Name:	mtninapps.whappsflyer.com
Address: 172.66.0.156