纯Python实现的DNS查询代码库.pyDNS库提供了DNS模块，首先应该在应用程序中调用DNS.DiscoverNameServers()，它可以找到系统中的名称服务器，在windows下是注册表，Unix系统上时/etc/resolv.conf 。全部的DNS查询都被发送到这些服务器上。-Pure Python implementation of DNS query code library. PyDNS library provides the DNS module, should first application invokes the DNS. DiscoverNameServers (), it can be found in the system name server, is under the Windows registry, Unix systems/etc/resolv. Conf. All DNS queries are sent to the server.