shell:$ nslookup -timeout=2 -retry=1 'sf16-webcast.tiktokcdn.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
sf16-webcast.tiktokcdn.com	canonical name = sf16-webcast.tiktokcdn.com.edgesuite.net.
sf16-webcast.tiktokcdn.com.edgesuite.net	canonical name = a1943.b.akamai.net.
Name:	a1943.b.akamai.net
Address: 23.205.255.36
Name:	a1943.b.akamai.net
Address: 23.205.255.44