Learn in and Out of DNS

所在平台: Udemy

课程主页: https://www.udemy.com/course/learn-in-and-out-of-dns/

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课程简介

**课程名称:** 深入了解 DNS(Learn in and Out of DNS) **课程概述:** 本课程旨在为网络管理员提供一项关键技能,即正确配置域名系统(DNS)。DNS 是互联网的基石。您将学习 DNS 的工作原理,包括其作为解析器、解析和递归,以及缓存的不同功能。此外,您还将了解各种名称服务器,如权威名称服务器、主名称服务器、辅助名称服务器和转发器。考虑到不同类型的 DNS 记录容易混淆,本课程将深入探讨各种 DNS 记录。最后,您将学习 `nslookup` 和 `dig` 等 DNS 工具的实际应用,以及 NOTIFY 和发件人策略框架 (SPF) 等高级主题。本基础培训课程结束后,您将对域名服务器和资源记录获得牢固的理解。 **课程内容(重点):** * DNS 的基本原理和功能(解析器、解析、递归、缓存) * 各种名称服务器的类型和作用(权威、主、辅助、转发器) * 详细的 DNS 记录类型解析 * 实用 DNS 工具(nslookup, dig)的使用演示 * 高级 DNS 概念(NOTIFY, SPF) **课程目标:** 本课程结束后,学员将能够: * 理解 DNS 在互联网中的核心作用。 * 熟练配置和管理 DNS 服务。 * 准确识别和使用不同类型的 DNS 记录。 * 掌握常用的 DNS 查询工具。 * 了解 DNS 的高级功能和安全实践。

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课程详情

The Domain Name System (DNS) is the backbone of the Internet; making sure it is configured properly is a key skill for network administrators.In this course, you will learn how DNS works, including different its different functions as resolvers, resolution and recursion, and caching. Further, you will learn about name servers, such as authoritative, primary, secondary, and forwarders. It's easy to get confused between different kinds of DNS records, so we will take a deep dive in learning a different kind of DNS records. and in the last, we will see different DNS tools in action like nslookup and dig, as well as advanced topics such as NOTIFY and sender policy framework.I am sure that once you are through this based training course, you will have gained a solid understanding of Domain Name Servers and resource records.

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