API Overview

The DNS service provides REST APIs.

By calling these APIs, you can use all DNS functions, including creating, querying, modifying, and deleting public zones, private zones, and record sets.

Table 1 provides an overview of the DNS APIs.

**Table 1** API overview
Category	Description
Version Management	Query version information of all DNS APIs or a specified API.
Public Zone Management	Create, delete, modify, and query public zones.
Private Zone Management	Create, delete, modify, and query private zones.
Record Set Management	Create, delete, modify, and query record sets in public and private zones.
Multi-line Record Set Management	Create, delete, modify, and query record sets of different resolution lines in public zones.
PTR Record Management	Create, delete, modify, and query PTR records that map EIPs to domain names.
Tag Management	Create, delete, modify, and query tags for specified DNS resources.
Quota Management	Query DNS resource quotas.

Version Management

Query DNS API versions.

**Table 2** Version management APIs
API	Description
Listing All DNS API Versions	Query the versions of all DNS APIs.

Public Zone Management

Create, query, delete, and modify public zones.

**Table 3** Public zone management APIs
API	Description
Creating a Public Zone	Create a public zone.
Querying a Public Zone	Query a public zone.
Querying Public Zones	Query public zones in list.
Querying Name Servers in a Public Zone	Query name servers in a public zone.
Deleting a Public Zone	Delete a public zone.
Modifying a Public Zone	Modify a public zone.

Private Zone Management

Create, query, delete, and modify private zones.

**Table 4** Private zone management APIs
API	Description
Creating a Private Zone	Create a private zone.
Associating a Private Zone with a VPC	Associate a private zone with a VPC.
Disassociating a VPC from a Private Zone	Disassociate a VPC from a private zone.
Querying a Private Zone	Query a private zone.
Querying Private Zones	Query private zones.
Querying Name Servers in a Private Zone	Query name servers in a private zone.
Deleting a Private Zone	Delete a private zone.
Modifying a Private Zone	Modify a private zone.

Record Set Management

Create, query, delete, and modify record sets.

**Table 5** Record set management APIs
API	Description
Creating a Record Set	Create a record set.
Querying a Record Set	Query a record set.
Querying All Record Sets	Query record sets.
Querying Record Sets in a Zone	Query record sets in a specified zone.
Deleting a Record Set	Delete a record set.
Modifying a Record Set	Modify a record set.

PTR Record Management

Set, query, modify, and unset PTR records for EIPs.

**Table 6** PTR record management APIs
API	Description
Creating a PTR Record	Configure a PTR record for an EIP.
Querying a PTR Record	Query the PTR record of an EIP.
Querying All PTR Records	Query PTR records of EIPs.
Unsetting a PTR Record	Unset the PTR record to the default value.
Modifying a PTR Record	Modify the PTR record for an EIP.