6.1
来学习 —— DNS（其实没啥好看的）
功能介绍：通过自定义 DNS 来快速、正确的获取 Domain 的IP。Loon 会根据用户自行设置的 DNS 并发请求，使用响应最快的结果，并且使用 LRU 缓存最近的100个结果
关键词：DNS
BY Loon Tutorial
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
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