shell:$ nslookup -timeout=2 -retry=1 'yuanxian.le.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: yuanxian.le.com canonical name = tencent.g1.letvlb.com. Name: tencent.g1.letvlb.com Address: 42.81.254.79