shell:$ nslookup -timeout=2 -retry=1 '1du1fr-gcdsdk.appsflyersdk.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 52.85.60.65
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 52.85.60.41
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 52.85.60.218
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 52.85.60.47