shell:$ nslookup -timeout=2 -retry=1 'www.shjbzx.cn' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: www.shjbzx.cn canonical name = www.shjbzx.cn.cdn30.com. Name: www.shjbzx.cn.cdn30.com Address: 122.144.235.172