# Quick Start

DNS provides domain name resolution services in different network scenarios.

#### Selecting a Service Type

Select a DNS service type based on Table 1.

Table 1 DNS service types
Type | Scenario | Reference
--- | --- | ---
Public domain resolution | Map domain names to web servers or web applications on the Internet. | Routing Internet Traffic to a Website
Private domain resolution | Map private domain names to private IP addresses within VPCs. | Configuring a Private Zone
Reverse resolution | Obtain public domain names based on IP addresses. PTR records are mainly used to build email servers. | Configuring a PTR Record

Parent topic: Getting Started