shell:$ nslookup -timeout=2 -retry=1 'yuanxian.le.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: yuanxian.le.com canonical name = tencent.g1.letvlb.com. Name: tencent.g1.letvlb.com Address: 42.81.254.79