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Copy file name to clipboardExpand all lines: includes/dns-limits.md
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author: greg-lindsay
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ms.service: azure-resource-manager
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ms.topic: include
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ms.date: 05/22/2023
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ms.date: 09/23/2024
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ms.author: greglin
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---
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**Public DNS zones**
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| Resource | Limit |
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| --- | --- |
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| Public DNS zones per subscription |250 <sup>1</sup> |
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<sup>1</sup>If you need to increase these limits, contact Azure Support.
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**Private DNS zones**
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| Resource | Limit |
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| --- | --- |
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| Private DNS zones per subscription |1000|
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| Number of private DNS zones a virtual network can get linked to with autoregistration enabled |1|
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| Number of private DNS zones a virtual network can get linked |1000|
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**Azure-provided DNS resolver**
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| Operation | Limit |
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| --- | --- |
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| Create |40/min|
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| Delete |40/min|
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| Get |200/min|
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| List by subscription |60|
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| List by resource group |100|
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| Update |20|
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| Move |20|
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**Private DNS zone resource records**
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| Operation | Limit |
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| --- | --- |
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| Create |60/min|
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| Delete |60/min|
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| Get |200/min|
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| List |100/min|
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| Update |60|
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**Virtual network links**
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| Operation | Limit |
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| --- | --- |
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| Create |60/min|
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| Delete |40/min|
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| Get |100/min|
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| List by virtual network |20/min|
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| Update |60|
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**Azure-provided DNS resolver VM limits**
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| Resource | Limit |
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| --- | --- |
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| Number of DNS queries a virtual machine can send to Azure DNS resolver, per second |1000 <sup>1</sup> |
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| Maximum number of DNS queries queued (pending response) per virtual machine |200 <sup>1</sup> |
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<sup>1</sup>These limits are applied to every individual virtual machine and not at the virtual network level. DNS queries exceeding these limits are dropped.
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**DNS private resolver**<sup>1</sup>
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<sup>1</sup>These limits are applied to every individual virtual machine and not at the virtual network level. DNS queries exceeding these limits are dropped. These limits apply to the default Azure resolver, not the DNS private resolver.
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