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nexus/wiki/concepts/Route-53-Resolver-Endpoint.md
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---
title: "Route 53 Resolver Endpoint"
type: concept
tags:
- AWS
- DNS
- Networking
---
## Definition
Route 53 Resolver Endpoint 包括入站Inbound和出站Outbound终端节点用于在 AWS VPC 与本地网络或其他云环境之间转发 DNS 查询。
## Types
### Inbound Endpoint
- 允许本地网络向 Route 53 Resolver 发送 DNS 查询
- 用于本地环境解析 AWS 内部域名
### Outbound Endpoint
- 允许 VPC 内的资源向本地 DNS 服务器发送查询
- 通过出站规则配置转发条件,将特定域名的查询转发到指定的 DNS 服务器(如 AD 域控制器)
## Use Cases
- 混合云 DNS 解析
- 跨区域 DNS 故障转移
- 就近解析全球化服务(如 Office 365
## Configuration Example
- 在出站规则中配置多个区域的 AD 域控制器 IP
- 确保即使某个区域发生故障DNS 解析仍保持弹性
## Connections
- [[Route-53]] ← provides ← [[Route-53-Resolver-Endpoint]]
- [[Route-53-Resolver-Endpoint]] ← forwards_to ← [[Active-Directory]]