shell:$ nslookup -timeout=2 -retry=1 'zoom.com.cn'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
zoom.com.cn	canonical name = gtm-cn-31t1ng0h102.gtm-a4b1.com.
Name:	gtm-cn-31t1ng0h102.gtm-a4b1.com
Address: 221.122.63.49