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

Non-authoritative answer:
userdata.wechat.com	canonical name = userdata.wechat.com.eo.dnse1.com.
Name:	userdata.wechat.com.eo.dnse1.com
Address: 43.159.94.110