shell:$ nslookup -timeout=2 -retry=1 'v39-mx.tiktokcdn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
v39-mx.tiktokcdn.com	canonical name = v-gss-backup.bytegeo-v.akadns.net.
v-gss-backup.bytegeo-v.akadns.net	canonical name = v-any.gtm.byteoversea.net.
Name:	v-any.gtm.byteoversea.net
Address: 199.103.24.45