shell:$ nslookup -timeout=2 -retry=1 'p16-tiktok-ads-sg.tiktokcdn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
p16-tiktok-ads-sg.tiktokcdn.com	canonical name = p16-tiktok-ads-sg.tiktokcdn.com.edgesuite.net.
p16-tiktok-ads-sg.tiktokcdn.com.edgesuite.net	canonical name = p16-tiktok-ads-sg.tiktokcdn.com.bytegeo.akadns.net.
p16-tiktok-ads-sg.tiktokcdn.com.bytegeo.akadns.net	canonical name = a645.b.akamai.net.
Name:	a645.b.akamai.net
Address: 23.212.239.198
Name:	a645.b.akamai.net
Address: 23.212.239.208