[{"data":1,"prerenderedAt":20},["ShallowReactive",2],{"$f12a3s5oin1c9n":3},{"title":4,"seoTitle":5,"description":6,"route":7,"kind":8,"toolKey":9,"intro":10,"indexable":11,"sections":12,"related":19},"DNS 实用指南","DNS 实用指南 | nslookup.online","DNS 实用教程：nslookup 命令、A 与 CNAME 区别及浏览器 DNS 故障排查，链接相关查询工具。","\u002Fzh\u002Fguides\u002F","index",null,"查询之后，继续理解问题。",true,[13],{"id":14,"title":15,"paragraphs":16},"start","按任务选择指南",[17,18],"需要可复现查询时看命令行指南；选择地址或别名时看记录比较；遇到浏览器报错时，先区分本地设置与公共 DNS。","教程会链接相应工具，说明结果能证明什么以及何时需要更多证据，不替代操作系统、DNS 提供商或邮件平台文档。",[],1792661399284]