shell:$ nslookup -timeout=2 -retry=1 'cdn.appsflyer.com.cdn.cloudflare.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	cdn.appsflyer.com.cdn.cloudflare.net
Address: 172.64.151.21
Name:	cdn.appsflyer.com.cdn.cloudflare.net
Address: 104.18.36.235