shell:$ nslookup -timeout=2 -retry=1 'cdn-f1.assistant.miui.com'
Server:		127.0.0.53
Address:	127.0.0.53#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: 23.223.17.179
Name:	a594.dscr.akamai.net
Address: 23.223.17.174
Name:	a594.dscr.akamai.net
Address: 2600:140a:5000:1b::210:aadc
Name:	a594.dscr.akamai.net
Address: 2600:140a:5000:1b::210:aad7