tencent cloud

Private DNS

Release Notes
Product Introduction
Overview
Strengths
Use Limits
Scenarios
Purchase Guide
Billing Overview
Value-Added Service Packages
Non-Standard TLDs
Getting Started
Activating Private DNS
Creating Private Domain
Deleting Private Domain
Modifying Associated VPC
Operation Guide
Setting DNS Record
Modifying DNS Record
Deleting DNS Record
Importing DNS Records
Exporting DNS Records
Associating the VPCs of Another Account
Bulk Operation
Reverse DNS and PTR Record
Subdomain Recursive DNS Description
DNS Statistics Description
Round-Robin DNS Description
Recursive Resolution Description
Cloud Access Management
Cloud Access Management Overview
Authorizable Resource Types
Sample Access Management Policy
Use Cases
Configuring the NSCD Service for Cache Acceleration to Improve DNS Availability
API Documentation
History
Introduction
API Category
Making API Requests
Private DNS APIs
Data Types
Error Codes
FAQs
Private DNS
Will Private DNS override public domain names?
PDNS Policy
Privacy Policy
Data Processing And Security Agreement
Related Agreement
Private DNS Service Level Agreement
Glossary
DocumentationPrivate DNSOperation GuideRecursive Resolution Description

Recursive Resolution Description

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Last updated: 2024-07-04 15:29:28

Overview

The default DNS server addresses for Private DNS are 183.60.83.19 and 183.60.82.98 . With the DNS server addresses, a default free recursive DNS resolution service is provided for endpoints such as Cloud Virtual Machine (CVM), Lighthouse, and cloud containers within the Tencent Cloud VPC environment. (The recursive resolution service of Private DNS involves interaction with external third-party DNS systems. Due to issues like external network problems and external third-party DNS system failures, external recursive resolution may be unavailable, and SLA is not guaranteed.)

Use limits

Restriction Item
Restriction Threshold
Note
Number of External Recursive Resolution Requests per Instance within VPC
100 times/second
The threshold for external recursive resolution requests per instance within the VPC is 100 times/sec. If the speed limit threshold is exceeded, a risk of speed limit will be there.
Total external recursive resolution requests for all instances within the VPC
1,000 times/sec
The overall external recursive request threshold within a single VPC is 1,000 times/sec. If the speed limit threshold is exceeded, a risk of speed limit will be there.

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