shell:$ nslookup -timeout=2 -retry=1 'api2-19-h2-useast1a.musical.ly'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
api2-19-h2-useast1a.musical.ly	canonical name = bytedance.map.fastly.net.
Name:	bytedance.map.fastly.net
Address: 146.75.10.73