# Change History

Release Date | What's New
--- | ---
2021-04-20 | This issue incorporates the following changes: Optimized the second item of "Prerequisites" in Creating a Private Zone.

2021-02-05

This issue incorporates the following changes:

- Updated the screenshots.
- Supported a maximum of 20 tags for each public zone, private zone, PTR record, and record set.

2019-04-05 | This issue incorporates the following changes: Accepted in OTC 4.0.
2019-03-15 | This issue incorporates the following changes: Modified the following section: Added the description for global- and region-level resources in User Permissions.

2019-01-30

This issue incorporates the following changes:

- Added the description that record sets can be sorted by domain name and type in Managing Record Sets.
- Added the EIP description in the following sections:
  - Configuring a PTR Record
  - Creating a PTR Record

2018-08-30 | This issue incorporates the following changes: Updated the screenshots.
2018-07-30 | This issue incorporates the following changes: Updated the screenshots.

2018-06-30

This issue incorporates the following changes:

- Accepted in OTC 3.1.
- Deleted descriptions of resource tags.

2018-06-15

This issue incorporates the following changes:

- Updated the screenshots.
- Changed the tag character set range.

2018-05-04

This issue incorporates the following changes:

Added lists of key operations that can be recorded by CTS and how to check CTS traces in Key Operations Recorded by CTS.

Modified the description of parameter Type for adding a record set in the following sections:

- Routing Internet Traffic to a Website
- Configuring a Private Zone
- Creating a Public Zone
- Creating a Private Zone
- Managing Record Sets
- Creating a Wildcard DNS Record Set

2018-03-30

This issue incorporates the following changes:

Supported tags for zones and record sets, covering the following sections:

- Getting Started
- Public Zone

Added CAA record sets in the following sections:

- Record Set
- Managing Record Sets

2018-02-12 | This issue incorporates the following changes: Modified the process to disassociate VPCs in Creating a Private Zone.
2018-01-31 | This issue incorporates the following changes: Added description about SOA record sets in Record Set.

2018-01-10

This issue incorporates the following changes:

Modified the description of parameter Type for adding a record set in the following sections:

- Routing Internet Traffic to a Website
- Configuring a PTR Record
- Creating a Public Zone
- Managing PTR Records

2017-12-30 | This issue incorporates the following changes: Added PTR record description in Managing Record Sets.
2017-11-30 | This issue incorporates the following changes: Added an FAQ How Can I Configure a PTR Record to Map the IP Address of an ECS to a Domain Name?

2017-10-30

This issue incorporates the following changes:

- Supported public zone modification in Creating a Public Zone.
- Supported private zone modification in Creating a Private Zone.
- Supported PTR records in private zones in Managing Record Sets.

2017-09-30

This issue incorporates the following changes:

- Supported record set modification in both public and private zones in Managing Record Sets.
- Supported PTR record modification in Managing PTR Records.
- Added SRV record sets in Record Set and Managing Record Sets.

2017-08-30

This issue incorporates the following changes:

- Allowed switching of the region and project in the upper left corner of the console.
- Updated the description based on the latest UI.

2017-07-31 | This issue incorporates the following changes: Supported the multi-project feature.
2017-04-28 | This issue incorporates the following changes: Supported private zones.

2017-02-28

This issue incorporates the following changes:

- Added wildcard DNS records.
- Supported DKIM.

2016-01-20 | This issue incorporates the following changes: Added an FAQ Why Was the Email Address Format Changed in the SOA Record?
2016-11-30 | This issue incorporates the following changes: Supported PTR records.
2016-10-19 | This issue is the first official release.