shell:$ nslookup -timeout=2 -retry=1 'www.shjbzx.cn' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: www.shjbzx.cn canonical name = www.shjbzx.cn.cdn30.com. Name: www.shjbzx.cn.cdn30.com Address: 138.113.210.170