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
Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.
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