# 运维自动化之域名系统

首先是查询，我们要有完善的域名数据库，包含所有的域名信息，能清晰的知道我们有哪些域名，这些域名在哪里注册、在哪里管理、当前状态如何、什么时间过期，以及每个域名下的记录数量等等域名基础数据

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