什么是本地域名服务器?你的网站为何突然打不开?本地域名服务器解析异常,网站访问中断原因解析
What is a local domain name server? Why is your website suddenly inaccessible? Analysis of the reasons for the interruption of website access due to abnormal resolution of the local domain name server
以上为机器翻译结果，长、整句建议使用 人工翻译 。