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Frequently asked questions
Your question might already be answered in our FAQ.
Discussion groups
We have two public discussion groups about Google Public NTP:
- public-ntp-discuss - This is a forum for presenting and discussing new ideas, products, and
initiatives that improve NTP infrastructure across the Internet. You can
also use it to provide feedback on Google Public NTP features. Do not use
this to report security-related issues; report them at
g.co/vulnz. 
- public-ntp-announce - This is a read-only list where you can get information on new versions,
releases, and features of Google Public NTP, as well as current status of
the service. 
Reporting issues
If you encounter a problem with Google Public NTP, post to
public-ntp-discuss. This
shares your report publicly, and allows you to get feedback from other Google
Public NTP users. If your report is security-related, do not post it here;
instead use g.co/vulnz.
Include the following information in your report:
- The date and time you encountered the problem
- Your location
- The platform on which you are noticing the problem (e.g., Mac, Windows,
router, etc.)
- Whether the problem is continuous or intermittent
 
  
    
      
      
    
    
      
    
    
  
       
    
    
      
    
  
  
  Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
  Last updated 2023-10-23 UTC.
  
  
  
    
      [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-23 UTC."],[],["Users can find answers in the FAQ or engage in two public discussion groups: `public-ntp-discuss` for general feedback and `public-ntp-announce` for read-only updates. Issues should be reported on `public-ntp-discuss`, excluding security concerns, which should go to `g.co/vulnz`. When reporting, provide the date, time, location, platform, and whether the issue is continuous or intermittent.\n"]]