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

Non-authoritative answer:
ir.douyu.com	canonical name = ir.douyu.com.gccdn.net.
Name:	ir.douyu.com.gccdn.net
Address: 138.113.128.90
Name:	ir.douyu.com.gccdn.net
Address: 157.185.179.12