shell:$ nslookup -timeout=2 -retry=1 'cdn-f1.assistant.miui.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cdn-f1.assistant.miui.com	canonical name = cdn-f1.assistant.miui.com.mgslb.com.
cdn-f1.assistant.miui.com.mgslb.com	canonical name = cdn-f1.assistant.miui.com.ksyna.net.
cdn-f1.assistant.miui.com.ksyna.net	canonical name = cdn-f1.assistant.miui.com.edgesuite.net.
cdn-f1.assistant.miui.com.edgesuite.net	canonical name = a594.dscr.akamai.net.
Name:	a594.dscr.akamai.net
Address: 23.212.239.207
Name:	a594.dscr.akamai.net
Address: 23.212.239.212
Name:	a594.dscr.akamai.net
Address: 2600:1405:d400:6::173e:6aca
Name:	a594.dscr.akamai.net
Address: 2600:1405:d400:6::173e:6acc