How do I flush the DNS Cache on a MacBook Pro with the Ventura operating system

How do I flush the DNS Cache on a MacBook Pro with the Ventura operating system

MacBook Pro 16″, macOS 13.3

Posted on Aug 29, 2023 7:40 AM

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Posted on Aug 29, 2023 7:49 AM

MJ_OKC wrote:

How do I flush the DNS Cache on a MacBook Pro with the Ventura operating system


Flushes the entire cache. This should only be used in extreme cases. Validation information is used within the cache along with other techniques to ensure the OS has valid information available to it.


flush the local DNS cache on the client, copy & paste:

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder



report back you success or failure



ref: Terminal User Guide for Mac


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Question marked as Top-ranking reply

Aug 29, 2023 7:49 AM in response to MJ_OKC

MJ_OKC wrote:

How do I flush the DNS Cache on a MacBook Pro with the Ventura operating system


Flushes the entire cache. This should only be used in extreme cases. Validation information is used within the cache along with other techniques to ensure the OS has valid information available to it.


flush the local DNS cache on the client, copy & paste:

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder



report back you success or failure



ref: Terminal User Guide for Mac


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How do I flush the DNS Cache on a MacBook Pro with the Ventura operating system

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