shell:$ nslookup -timeout=2 -retry=1 'help.wechat.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

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