shell:$ nslookup -timeout=2 -retry=1 'pull-flv-l1.tiktokcdn.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
pull-flv-l1.tiktokcdn.com	canonical name = pull-flv-l1.tiktokcdn.com.wsdvs.com.
Name:	pull-flv-l1.tiktokcdn.com.wsdvs.com
Address: 139.144.106.28