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: 13.32.208.55
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 13.32.208.95
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 13.32.208.88
Name:	1du1fr-gcdsdk.appsflyersdk.com
Address: 13.32.208.216