是否有一个已经编写好的只实现权威响应的Java DNS服务器。我想把源代码移到我们将要开发的DNS服务器中，该服务器将使用自定义规则集来决定使用什么TTL和发布什么IP地址。
服务器将不是缓存服务器。它只会返回权威的结果，并且只会在世界卫生组织的域名记录上发布。它永远不会被直接调用。
服务器必须发布MX记录、A记录和SPF/TXT记录。该计划是使用DNS来帮助多个位置的网关服务器之间的负载平衡（我们知道DNS在这一领域的影响力很小）。此外，当网关服务器停机时（故意或意外），它将停止发布网关服务器的IP地址（当然，DNS只能在长时间停机期间提供帮助）。
我们将自己为这一切编写逻辑。。但我非常想从一个经过一点测试的DNS服务器开始，而不是从头开始。
然而，只有当我们复制的内容足够简单时，这才是可行的。否则，结果可能是浪费时间
乔治，
I guess what you need is a java library which implements DNS protocol. Take a look at dnsjava
就所有类型的记录和类的完整规范覆盖而言，这是非常好的。
But the issue which you might face with a java based library is performance. DNS servers would be expected to have a high throughput. But yes, you can solve that by throwing more hardware.
如果性能是您关注的问题，我建议您调查未绑定
Unfortunately, the documentation states "jnamed should not be used for production, and should probably not be used for testing. If the above documentation is not enough, please do not ask for more, because it really should not be used."
然而，我不知道还有什么更好的选择。
You could take a look at Eagle DNS: http://www.unlogic.se/projects/eagledns
它已经存在了几年了，现在已经经过了很好的测试。
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