shell:$ nslookup -timeout=2 -retry=1 'v39-mx.tiktokcdn.com'
Server: 127.0.0.53
Address: 127.0.0.53#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-yul1a.gtm.byteoversea.net.
Name: v-yul1a.gtm.byteoversea.net
Address: 71.18.94.233
| 
71.18.94.233