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说明本文可能由社区贡献或涉及第三方产品信息，建议您访问社区或第三方产品的官方网站获取帮助与支持。第三方产品不在阿里云售后支持范围。本文仅供参考，阿里云不做任何暗示或其他形式的承诺。问题描述在Linux系统的ECS实例中，出现无法正常解析域名的情况。问题原因没有正确配置DNS服务器。防火墙设置了53端...

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