shell:$ nslookup -timeout=2 -retry=1 'ir.douyu.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
ir.douyu.com canonical name = ir.douyu.com.gccdn.net.
Name: ir.douyu.com.gccdn.net
Address: 138.113.128.20
Name: ir.douyu.com.gccdn.net
Address: 157.185.179.12
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