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

Non-authoritative answer:
Name:	app.appsflyer.com
Address: 18.238.55.23
Name:	app.appsflyer.com
Address: 18.238.55.73
Name:	app.appsflyer.com
Address: 18.238.55.71
Name:	app.appsflyer.com
Address: 18.238.55.122