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

Non-authoritative answer:
api.wechat.com	canonical name = api.weixin.qq.com.
Name:	api.weixin.qq.com
Address: 43.130.8.50
Name:	api.weixin.qq.com
Address: 43.130.8.250