Software⏱️ 3 min read📅 2026-06-11

How to Fix: Error msg: ;; Warning: Message parser reports malformed message packet

Error msg: ;; Warning: Message parser reports malformed message packet

Quick Answer: The issue is likely caused by a DNS cache problem. Try clearing the DNS cache using the following command: sudo scutil --dns flushcache;sudo killall -HUP mDNSResponder.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Error msg: ;; Warning: Message parser reports malformed message packet

This issue is intermittent and affects users who are trying to access popular websites such as google.com and Facebook.com. The error message indicates that the DNS resolver is reporting a malformed message packet, which can be frustrating for users who rely on these services.

💡 Why You Are Getting This Error

  • The primary reason for this error is likely due to a misconfigured DNS resolver or a problem with the DNS server itself.
  • Another possible cause could be a conflict between the system's DNS resolver and the local DNS cache, leading to incorrect DNS responses.

🚀 How to Resolve This Issue

Clearing the DNS cache

  1. Step 1: Open a terminal as an administrator and run the command `sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder` to clear the DNS cache.
  2. Step 2: Check if the issue persists after clearing the cache, and repeat the process if necessary.

Resetting the system's DNS resolver

  1. Step 1: Open a terminal as an administrator and run the command `scutil --dns` to view the current DNS settings.
  2. Step 2: Check if the 'flags' option is set to Request A records, and adjust it to Request AAAA records if necessary. This can help resolve issues with DNS resolution.

✨ Wrapping Up

To fix this issue, try clearing the DNS cache or resetting the system's DNS resolver. If neither method works, you may need to investigate further to identify the root cause of the problem.

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