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Author Topic: mDNSResponder high data usage in MacOS  (Read 18 times)
HCK
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« on: December 05, 2025, 04:05:05 pm »
mDNSResponder high data usage in MacOS

Mac users sometimes notice a process named mDNSResponder consuming a lot of bandwidth and congesting Wi-Fi. Here’s what this daemon does, why it can flood the network, and how to diagnose and fix mDNSResponder high data usage on macOS.
Source: mDNSResponder high data usage in MacOS
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