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

Non-authoritative answer:
Name:	dl.appsflyersdk.com
Address: 18.154.109.227
Name:	dl.appsflyersdk.com
Address: 18.154.109.50
Name:	dl.appsflyersdk.com
Address: 18.154.109.220
Name:	dl.appsflyersdk.com
Address: 18.154.109.209