shell:$ nslookup -timeout=2 -retry=1 'seller-id.tiktok.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
seller-id.tiktok.com	canonical name = seller-id.tiktok.com.ttdns2.com.
seller-id.tiktok.com.ttdns2.com	canonical name = api.bytedance.map.fastly.net.
Name:	api.bytedance.map.fastly.net
Address: 151.101.126.73