shell:$ nslookup -timeout=2 -retry=1 'turn.gc.apple.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
turn.gc.apple.com	canonical name = turn.gc-apple.com.akadns.net.
turn.gc-apple.com.akadns.net	canonical name = turn.gc.fe2.apple-dns.net.
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.83
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.75
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.56
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.66
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.48
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.29
Name:	turn.gc.fe2.apple-dns.net
Address: 17.248.195.72
Name:	turn.gc.fe2.apple-dns.net
Address: 2620:149:a42:280::2d
Name:	turn.gc.fe2.apple-dns.net
Address: 2620:149:a42:280::2:b
Name:	turn.gc.fe2.apple-dns.net
Address: 2620:149:a42:280::1d
Name:	turn.gc.fe2.apple-dns.net
Address: 2620:149:a42:280::25