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- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Public Zones
- Private Zones
- Record Sets
- PTR Records
- Intelligent Resolution
- Permissions Management
- Using CTS to Collect DNS Key Operations
- Quota Adjustment
- Change History
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- APIs
- Examples
- Permissions Policies and Supported Actions
- Appendix
- Best Practices
-
FAQs
-
DNS Overview
- Will I Be Billed for the DNS Service?
- How Many Zones, PTR Records, and Record Sets Can I Create?
- What Are Huawei Cloud DNS Servers?
- What Are Huawei Cloud Private DNS Server Addresses?
- What Are the Differences Between Public and Private Domain Names?
- Does DNS Support IPv6?
- Does DNS Support Explicit and Implicit URLs?
- Does DNS Support Dynamic Domain Name Resolution?
- Does DNS Support Wildcard Entries?
- What Is TTL?
- How Many Domain Name Levels Does DNS Support?
- How Are Zones Queried to Resolve a Domain Name?
- What Are the Priorities of Resolution Lines?
- Why Was the Email Address Format Changed in the SOA Record?
- What Is CAA?
- Why Should I Set Priority For an MX Record Set?
- Can DNS Point a Domain Name to a Specific Port?
- Invalid Domain Resolution
- Website Access Failures
-
Public Zones
- Why Is a Message Indicating Conflict with an Existing Record Set Displayed When I Add a Record Set?
- How Do I Add Record Sets to Subdomains?
- Which IP Address Is Returned for the Domain Name If There Are Multiple IP Addresses in a Record Set?
- Can I Modify a Zone?
- Can DNS Translate a Domain Name to IP Addresses of On-premises Servers or Third-Party Servers?
- How Can Multiple Domain Names Be Linked to the Same Website?
- How Do I View and Change the DNS Servers of a Domain Name?
-
Private Zones
- Why Is a Message Indicating Conflict with an Existing Record Set Displayed When I Add a Record Set?
- How Do I Change Default DNS Servers of an ECS to Huawei Cloud Private DNS Servers?
- How Can I Access an ECS Using Its Host Name?
- How Can I Map the Private IP Address of an ECS to a Domain Name?
- How Can I Use a Private Domain Name to Route Internet Traffic?
- Can I Use Private Domain Names Across Regions?
- Do I Need to Register Private Domain Names?
- Will a Deleted VPC Be Automatically Disassociated from the Private Zone?
- Are Private DNS Server Addresses the Same for All Users?
- What Are the Restrictions on Concurrent Private DNS Requests?
- Reverse Resolution
- Domain Transfer
-
DNS Overview
Managing PTR Records
Scenarios
You can modify or delete PTR records, or view their details.
Modifying a PTR Record
Modify the domain name, TTL, or description of a PTR record.
- Go to the PTR Records page.
- Click
on the upper left and select the desired region and project.
- Locate the PTR record you want to modify and click Modify in the Operation column.
The Modify PTR Record dialog box is displayed.
- Change the domain name, TTL, or description as required.
- Click OK.
Deleting a PTR Record
Delete a PTR record if you no longer need it. After you delete a PTR record, the domain name mapped to your EIP will change to the default domain name.
- Go to the PTR Records page.
- Click
on the upper left and select the desired region and project.
- Locate the PTR record you want to delete and click Delete in the Operation column.
- In the displayed dialog box, confirm the PTR record to be deleted.
Batch Deleting PTR Records
Delete multiple PTR records at a time. After you delete the PTR records, the domain names mapped to your EIPs will change to the default domain names.
- Go to the PTR Records page.
- Click
on the upper left and select the desired region and project.
- Select the PTR records and click Delete.
- In the Delete PTR Record dialog box, click OK.
Viewing Details About a PTR Record
After a PTR record is created, you can view its details, including the zone ID, TTL, tag, and EIP.
- Go to the PTR Records page.
- Click
on the upper left and select the desired region and project.
- In the PTR record list, view the details.
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