shell:$ nslookup -timeout=2 -retry=1 'lf16-gecko-source.tiktokcdn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
lf16-gecko-source.tiktokcdn.com	canonical name = lf16-gecko-source.tiktokcdn.com.edgesuite.net.
lf16-gecko-source.tiktokcdn.com.edgesuite.net	canonical name = a1899.b.akamai.net.
Name:	a1899.b.akamai.net
Address: 23.199.54.122
Name:	a1899.b.akamai.net
Address: 23.199.54.119