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

Non-authoritative answer:
s.tiktokcdn.com	canonical name = sgali3.l.byteoversea.net.
Name:	sgali3.l.byteoversea.net
Address: 103.136.221.86