shell:$ nslookup -timeout=2 -retry=1 'api2-19-h2-useast1a.musical.ly'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
api2-19-h2-useast1a.musical.ly	canonical name = bytedance.map.fastly.net.
Name:	bytedance.map.fastly.net
Address: 151.101.126.73