域名服务DNS的主要功能为：通过请求及回答获取主机和网络相关的信息。简单来说，它就是将人们熟悉的网址域名，解析成IP地开发者_Python百科址。
I have an app which works well live on AppEngine. However, when I try to run it locally with the dev_appserver.py, it aborts within ~1 second with:
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