shell:$ nslookup -timeout=2 -retry=1 's16-u2.tiktokcdn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
s16-u2.tiktokcdn.com	canonical name = s16-u2.tiktokcdn.com.edgesuite.net.
s16-u2.tiktokcdn.com.edgesuite.net	canonical name = a1860.b.akamai.net.
Name:	a1860.b.akamai.net
Address: 23.199.54.24
Name:	a1860.b.akamai.net
Address: 23.199.54.23