What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.


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    Why can't I preview my forms?

    Asked by hprinz on July 12, 2017 at 10:10 PM

    Whenever I try to preview my forms, a page appears that says "DNS cannot be found." Is this a normal problem or an issue on my end?

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    JotForm Support

    Answered by Charlie on July 13, 2017 at 02:22 AM

    Hi,

    Upon checking your account, I see you are located in China. It's possible that the domain assigned on the form is being blocked or censored by your government's firewall. 

    Could you please share us a screenshot of the error message and the console in your browser? 

    Here's how you can open your browser's console:

    1. Open your form on a new tab.

    2. Right click on it and select "Inspect".

    3. Find the tab "Console" and click it. 

    4. Refresh the page and see if there are any errors that will show up. 

    It is also possible that this might be related more to your ISP, I suggest try connecting to a different network like your mobile data and open the form from there. 

    We'll wait for your response.