shell:$ nslookup -timeout=2 -retry=1 'app-site-association.cdn-apple.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
app-site-association.cdn-apple.com	canonical name = app-site-association.cdn-apple.com.akadns.net.
app-site-association.cdn-apple.com.akadns.net	canonical name = app-site-association.g.aaplimg.com.
Name:	app-site-association.g.aaplimg.com
Address: 17.253.3.148
Name:	app-site-association.g.aaplimg.com
Address: 17.253.11.196
Name:	app-site-association.g.aaplimg.com
Address: 17.253.3.143
Name:	app-site-association.g.aaplimg.com
Address: 17.253.21.147
Name:	app-site-association.g.aaplimg.com
Address: 17.253.21.141
Name:	app-site-association.g.aaplimg.com
Address: 17.253.11.197
Name:	app-site-association.g.aaplimg.com
Address: 17.253.24.202
Name:	app-site-association.g.aaplimg.com
Address: 17.253.24.203
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a08:f100::196
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a10:f000::144
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a25:f000::201
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a33:f000::151
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a10:f000::133
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a25:f100::204
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a08:f000::195
Name:	app-site-association.g.aaplimg.com
Address: 2620:149:a33:f000::135