shell:$ nslookup -timeout=2 -retry=1 'tinyglobalcdnweb.qiniu.com.w.kunlunar.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: tinyglobalcdnweb.qiniu.com.w.kunlunar.com Address: 47.246.20.192