shell:$ nslookup -timeout=2 -retry=1 'www.wechatapp.com.cdn.cloudflare.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	www.wechatapp.com.cdn.cloudflare.net
Address: 104.21.17.52
Name:	www.wechatapp.com.cdn.cloudflare.net
Address: 172.67.222.82
Name:	www.wechatapp.com.cdn.cloudflare.net
Address: 2606:4700:3030::6815:1134
Name:	www.wechatapp.com.cdn.cloudflare.net
Address: 2606:4700:3034::ac43:de52