Domain Name Service
Domain Name Service
- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Public Zones
- Private Zones
- Record Sets
- PTR Records
- Intelligent Resolution
- Resolver
- Permissions Management
- Using CTS to Collect DNS Key Operations
- Access Logging
- Quota Adjustment
- Best Practices
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- APIs
- Examples
- Permissions Policies and Supported Actions
- Appendix
- SDK Reference
-
FAQs
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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 Forwarding and Implicit Forwarding?
- 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
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Public Zones
- Why Is a Message Indicating Conflict with an Existing Record Set Displayed When I Add a Record Set?
- How Do I Handle the Conflict Between CNAME and MX Record Sets?
- 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?
- Configuring Weighted Routing
- Can DNS Resolve a Domain Name that Has Not Been Licensed?
- Does DNS Support Dynamic Domain Name Resolution?
- How Do I Change the DNS Servers of a Domain Name?
- How Do I Handle Inaccurate Scheduling Caused by the CNAME Record Set Cache in the Default Lines?
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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 Queries?
- Reverse Resolution
- Domain Transfer
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DNS Overview
- Videos
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More Documents
-
User Guide (ME-Abu Dhabi Region)
- Overview
- Getting Started
- Private Zone
- Record Set
- PTR Record
- Permissions Management
- Key Operations Recorded by CTS
- Quota Adjustment
- FAQs
- Change History
- API Reference (ME-Abu Dhabi Region)
-
User Guide (Paris Region)
- Overview
- Getting Started
- Public Zones
- Private Zones
- Record Sets
- PTR Records
- Intelligent Resolution
- Permissions Management
- Key Operations Recorded by CTS
- Quota Adjustment
-
FAQ
-
DNS Overview
- Will I Be Billed for the DNS Service?
- How Many Zones, PTR Records, and Record Sets Can I Create?
- What Are DNS Servers?
- 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?
- 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?
-
Public Zones
- 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?
- What Can I Do If There Is Message Indicating that the Public Zone Already Exists?
- Can I Modify a Zone?
- How Can Multiple Domain Names Be Linked to the Same Website?
- Configuring Weighted Routing
-
Private Zones
- How Can I Map the Private IP Address of an ECS to a Domain Name?
- 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
-
DNS Overview
- Change History
- API Reference (Paris Region)
-
User Guide (Kuala Lumpur Region)
- Overview
- Getting Started
- Private Zone
- Record Set
- Permissions Management
- Key Operations Recorded by CTS
- Quota Adjustment
-
FAQs
-
DNS Overview
- Will I Be Billed for the DNS Service?
- How Many Zones and Record Sets Can I Create?
- What Are the Private DNS Servers Provided by the DNS Service?
- Does DNS Support Wildcard Entries?
- How Are Zones Queried to Resolve a Domain Name?
- Why Was the Email Address Format Changed in the SOA Record?
- Can DNS Point a Domain Name to a Specific Port?
- Private Zones
-
DNS Overview
- Change History
- API Reference (Kuala Lumpur Region)
- User Guide (Ankara Region)
- API Reference (Ankara Region)
-
User Guide (ME-Abu Dhabi Region)
- Glossary
- General Reference
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DNS Resolver Overview
What Is DNS Resolver?
DNS Resolver answers DNS queries to and from your on-premises data center after your data center is connected to the cloud over Direct Connect or VPN.
Generally, on-premises data centers can access cloud resources over a Direct Connect or VPN connection. However, for security purposes, on-premises servers are not allowed to access the DNS service on the cloud directly. If your on-premises servers need to access private domain names used within VPCs, or your cloud servers use Huawei Cloud private DNS to access an on-premises domain name, you need to set up DNS on your cloud servers for forwarding DNS queries between the cloud DNS and on-premises DNS. This increases management and maintenance costs and causes reliability risks.
With Huawei Cloud DNS Resolver, on-premises servers and cloud servers can easily communicate with each other in hybrid cloud scenarios.
NOTE:
DNS Resolver is now available in CN North-Ulanqab1, CN Southwest-Guiyang1, AP-Bangkok, AP-Singapore, AP-Jakarta, LA-Sao Paulo1, TR-Istanbul, AF-Johannesburg, and ME-Riyadh.
Constraints
- Both inbound and outbound endpoints do not support DNSSEC.
- By default, cloud servers use private DNS for domain name resolution. Do not change private DNS addresses, or forwarding rules will not take effect.
Where to Use
- On-premises servers access a cloud service domain name. For this to work, you need to create an inbound endpoint and configure forwarding rules on the on-premises DNS servers to forward the DNS queries for the cloud service domain name to the IP addresses specified in the inbound endpoint.
For details, see Managing Inbound Endpoints.
- Cloud servers access an on-premises domain name. For this to work, you need to create an outbound endpoint, configure endpoint rules, and specify the on-premises domain name to be accessed and the IP addresses of on-premises DNS servers. Huawei Cloud private DNS then forwards the DNS queries for the on-premises domain name to the on-premises DNS servers based on the endpoint rules.
For details, see Managing Outbound Endpoints.
Parent topic: Resolver
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