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

Non-authoritative answer:
gateway.icloud.com	canonical name = gateway.fe2.apple-dns.net.
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.56
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.83
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.29
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.75
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.48
Name:	gateway.fe2.apple-dns.net
Address: 17.248.195.68
Name:	gateway.fe2.apple-dns.net
Address: 2620:149:a42:280::1d
Name:	gateway.fe2.apple-dns.net
Address: 2620:149:a42:280::3d
Name:	gateway.fe2.apple-dns.net
Address: 2620:149:a42:280::25
Name:	gateway.fe2.apple-dns.net
Address: 2620:149:a42:280::2:3
Name:	gateway.fe2.apple-dns.net
Address: 2620:149:a42:280::2:a