shell:$ nslookup -timeout=2 -retry=1 'webcast-open.douyin.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
webcast-open.douyin.com	canonical name = webcast-open.douyin.com.bytedns1.com.
webcast-open.douyin.com.bytedns1.com	canonical name = webcast-open.douyin.com.w.cdngslb.com.
webcast-open.douyin.com.w.cdngslb.com	canonical name = webcast-open.douyin.com.queniuyk.com.
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.142
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.146
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.143
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.144
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.141
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.140
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.139
Name:	webcast-open.douyin.com.queniuyk.com
Address: 155.102.54.145